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Vendor:Lewmar
Lewmar 72mm Synchro Block - Single [29927201BK]
- $77.78
$113.73- $77.78
- Unit price
- / per
72mm Synchro Block - SingleLewmar's Synchro Blocks are engineered for speed, efficiency, and superior handling. Using a combination of scientifically optimized block geometry, a Free-Spin bearing, and a self-aligning head to reduce friction and increase efficiency by up to 40%, over budget blocks on...- $77.78
$113.73- $77.78
- Unit price
- / per
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Vendor:Schaefer Marine
Schaefer Single Aluminum Block - 51mm Sheave [504-05]
- $105.15
$135.27- $105.15
- Unit price
- / per
Single Aluminum Block - 51mm SheaveSingle block with anodized aluminum cheeks. Delrin™ sheave ensures smooth operation with high safe working load. Swivel head may be locked in place to avoid twist. Specifications: Sheave Dia. 2" (51mm) Thickness 15/16" (24mm) Width 2 1/8" (54mm) Length 4...- $105.15
$135.27- $105.15
- Unit price
- / per
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Vendor:Schaefer Marine
Schaefer Single Ball Bearing Block [506-05]
- $145.48
$188.21- $145.48
- Unit price
- / per
Single Ball Bearing BlockSingle block with aluminum cheeks and ball bearing sheave. Delrin™ ball bearing sheave ensures low-friction operation. Swivel head may be locked in place to avoid twist. Specifications: Sheave Diameter 2" (51mm) Thickness 15/16" (24mm) Width 2 1/8" (54mm) Length 4 13/32" (112mm)...- $145.48
$188.21- $145.48
- Unit price
- / per
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Vendor:Ronstan
Ronstan Series 50 All Purpose Block - Single Stand Up [RF51140]
- $74.58
$87.74- $74.58
- Unit price
- / per
Series 50 All Purpose Block - Single Stand UpFeatures: Exceptionally high working loads Low maintenance, long service life Self-lubricating Acetal polymer sheave ensures low friction and extreme durability Captive Lock™ universal head Slotted pin shackle eliminates fouled lines Mount with 2 x 5mm (3/6")...- $74.58
$87.74- $74.58
- Unit price
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Vendor:Harken
Harken 22mm Double Micro Block [226]
- $54.67
$61.30- $54.67
- Unit price
- / per
22mm Double Micro BlockLow-friction Micro blocks are compact and lightweight. Specifications: Sheave: 22mm / 7/8in. Length: 51mm / 2in. Weight: 43g / 1.5oz. Maximum line: 6mm / 1/4in. Maximum working load: 159kg / 350lb Breaking load: 544kg/ 1200 lb- $54.67
$61.30- $54.67
- Unit price
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Vendor:Harken
Harken 40mm Carbo Air Pivoting Lead Block w/Aluminum Cam-Matic Cleat [2156]
- $129.58
$147.22- $129.58
- Unit price
- / per
40mm Carbo Air Pivoting Lead Block with Aluminum Cam-Matic® CleatHigh-strength pivoting lead blocks with cams are used for halyard controls on larger keelboats and as “headknockers” on dinghies and beachcats for sheeting directly from the boom. Hole spacing and rivet size are the same...- $129.58
$147.22- $129.58
- Unit price
- / per
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Vendor:Harken
Harken 40mm Carbo Air Fiddle Block w/Swivel Becket [2656]
- $84.92
$96.37- $84.92
- Unit price
- / per
40mm Carbo Air Fiddle Block with Swivel & BecketLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken® Black Magic® line, these small, compact blocks have very high working loads for safe, easy trimming. The 40 mm fiddle is an...- $84.92
$96.37- $84.92
- Unit price
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Vendor:Harken
Harken 29mm Carbo Air Block w/Swivel [340]
- $43.14
$48.40- $43.14
- Unit price
- / per
29mm Carbo Air Block with SwivelLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming.Specifications: Sheave: 29mm / 1-1/8in Length: 66mm / 2-5/8in...- $43.14
$48.40- $43.14
- Unit price
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Vendor:Harken
Harken 40mm Double Sheave Fishing Block [2184]
- $87.80
$99.40- $87.80
- Unit price
- / per
40mm Double Sheave Fishing BlockLow-friction Carbo Air blocks are lightweight, strong, and reliable. These compact blocks have very high working loads and smooth operation to simplify the positioning and retrieval of teaser lines. Specifications: Sheave Ø (mm): 40 mm Sheave Ø (in): 1-9/16 in...- $87.80
$99.40- $87.80
- Unit price
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Vendor:Harken
Harken 57mm Carbo Single Ratchet Block w/Swivel [2135]
- $125.26
$141.53- $125.26
- Unit price
- / per
57mm Carbo Single Ratchet Block with SwivelCarbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing.Features: On/off switch operates from both sides Standard grip: medium/light air; 10:1 holding power Sheave Ø (mm): 57 mm Sheave Ø (in):...- $125.26
$141.53- $125.26
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Vendor:Ronstan
Ronstan Series 40 All Purpose Block - Single - Universal Head [RF41100]
- $36.66
$43.13- $36.66
- Unit price
- / per
Series 40 All Purpose Block - Single - Universal HeadAll purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads. For durability and a long...- $36.66
$43.13- $36.66
- Unit price
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Vendor:Schaefer Marine
Schaefer Spring Loaded/Lined Slide/Aluminum f/1" T-Track [504-82]
- $289.54
$391.04- $289.54
- Unit price
- / per
Spring Loaded/Lined Slide/Aluminum for 1" T-TrackDelrin™ sheave ensures smooth operation and high safe working load. Anodized aluminum cheeks and stainless steel slider ensure reliability. Polyethylene liner and pin stop allow for easy adjustment. Specifications: Track Size 1" x 1/8" (25 mm x 3 mm) Max....- $289.54
$391.04- $289.54
- Unit price
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Vendor:Ronstan
Ronstan Series 30 Ball Bearing Orbit Block - Single - Becket - Lashing head [RF35101]
- $24.86
$29.24- $24.86
- Unit price
- / per
Series 30 Ball Bearing Orbit Block - Single - Becket - Lashing HeadBall Bearing Orbit Blocks boast the highest strength-to-weight ratio available. This is achieved through all-composite reinforced polymer materials and multiple attachment options. Their precision design provides the optimum number of ball bearings...- $24.86
$29.24- $24.86
- Unit price
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Vendor:Ronstan
Ronstan Series 30 Ball Bearing Orbit Block - Stand Up Swivel [RF35140]
- $45.09
$53.04- $45.09
- Unit price
- / per
Series 30 Ball Bearing Orbit Block - Stand Up SwivelBall Bearing Orbit Blocks boast the highest strength-to-weight ratio available. This is achieved through all-composite reinforced polymer materials and multiple attachment options. Their precision design provides the optimum number of ball bearings for minimum friction...- $45.09
$53.04- $45.09
- Unit price
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Vendor:Ronstan
Ronstan Series 20 Ball Bearing Block - Double - 2-Axis Shackle Head [RF20202]
- $48.56
$57.13- $48.56
- Unit price
- / per
Series 20 Ball Bearing Block - Double - 2-Axis Shackle HeadFeatures: Low friction High static and dynamic load capacity Lightweight Precision molded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low friction Two-Way head can be fixed at...- $48.56
$57.13- $48.56
- Unit price
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Vendor:Ronstan
Ronstan Series 20 Ball Bearing Orbit Block - Single - Dyneema Lashing - Becket Option [RF25109]
- $22.23
$26.15- $22.23
- Unit price
- / per
Series 20 Ball Bearing Orbit Block - Single - Dyneema Lashing - Becket OptionThe incredible Series 20 Orbit Block is capable of loads up to 250kg (550lb) while weighing a mere 9 grams. It's so light that it needs to be lashed down!Features: Integrated...- $22.23
$26.15- $22.23
- Unit price
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Vendor:Lewmar
Lewmar 72mm HTX Block - Single [29197201]
- $168.53
$247.70- $168.53
- Unit price
- / per
72mm HTX Block - SingleYears of design and manufacturing experience coupled with collaboration with boat builders, designers, and sailors have resulted in the Lewmar HTX Hardware Range. Drawing upon the design of the Racing Range, the HTX blocks are constructed simply from high-quality materials,...- $168.53
$247.70- $168.53
- Unit price
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Vendor:Ronstan
Ronstan Series 40 Ratchet Orbit Block - Single - Auto - Swivel Shackle Head [RF46100]
- $111.40
$131.06- $111.40
- Unit price
- / per
Series 40 Ratchet Orbit Block - Single - Auto - Swivel Shackle HeadAutomatic RatchetWith automatic models, the ratchet mechanism engages when load is applied, but switches off when it's released. This lets the sheet run out smoothly and freely-great for rapid easing of the...- $111.40
$131.06- $111.40
- Unit price
- / per
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Vendor:Schaefer Marine
Schaefer Series 5 Flat Base Cheek Block - Stainless Steel Cheeks [505-11]
- $141.16
$182.30- $141.16
- Unit price
- / per
Series 5 Flat Base Cheek Block - Stainless Steel CheeksSeries 5 Cheek Block with Stainless Steel cheek. Delrin™ sheave ensures smooth operation and high safe working load. Stainless steel base distributes loads to a large surface area. Specifications: Sheave Diameter 2" (51 mm) Max. Line...- $141.16
$182.30- $141.16
- Unit price
- / per
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Vendor:Barton Marine
Barton Marine Size 2 Single Cheek Block [N02160]
- $31.58
$35.08- $31.58
- Unit price
- / per
Size 2 Single Cheek BlockPlain Bearing BlocksBarton plain bearing blocks have a precision molded acetal sheave running on a large diameter brass bearing, ensuring free running under the highest of loads.Specifications Sheave size: 35mm x 12mm Max rope diameter: 8mm Safe working load: 370kg...- $31.58
$35.08- $31.58
- Unit price
- / per


![Schaefer Single Aluminum Block - 51mm Sheave [504-05]](http://www.dbmarinesupplies.com/cdn/shop/files/74715XL_533x.jpg?v=1682728934)