Series 3 Flat Base/Alum Cheek/Delrin SheaveDelrin™ plain bearing sheave ensures smooth operation and high safe working load. Stainless Steel base distributes loads to a larger surface area.Specifications: Sheave Dia. 1-7/16" (37 mm) Max Line 7/16" (11 m) Length 2-7/8" (73 mm) Width 1-3/4" (44...

Series 7 Stand Up Ball Bearing Swivel Block - 2-3/8" 60mmSingle stand up ball bearing block. Stand up spring keeps block upright when not in use. Stainless steel base spreads load out and may be used with 97-49 backing plate. (sold separately) Delrin(tm) ball...

50mm 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...

Series 40 Ball Bearing Block - Triple - Swivel HeadFeatures: Low friction Acetal or Torlon® bearing system Lightweight Cheek cut-outs for easy bearing maintenance Features a swivel shackle head for full 360° rotation Sheaves running on Acetal or Torlon® ball bearings provide high performance...

Series 30 Utility Block- Cheek, Curved BaseFeatures: Lightweight durable construction Economical Maintenance free Product Information:Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance.Applications: Vang, cunningham and trapeze retriever systems on dinghies Leech line tackles, bunk adjusters etc on...

Midrange Single BlockMidrange blocks’ robust construction makes them ideal to handle the high loads found on medium and large offshore boats. Sheave runs exclusively on a ball bearing system for fast trim and release under any load. Features:  Sheave: 76mm/3" Maximum Line: 14mm/9/16" Max...

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

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...

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...

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...

Series 40 All Purpose Block - Double Block - Full Swivel 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...

Series 75 Core Block™ - SingleCore Blocks™ are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads. Acetal...

40mm Carbo Air Cheek BlockLow-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 Ø (mm)40 mm Sheave Ø (in)1 9/16 in...

Series 7 Flat Base/Aluminum Cheek/Delrin SheaveDelrin™ sheave ensures smooth operation and high safe working load. Stainless steel base distributes loads to a large surface area. Specifications: Sheave Dia. 2-3/8" (60 mm) Max. Line 1/2" (13 mm) Length 4-3/8" (111 mm) Width  2-3/4" (70 mm) Height...

Size 2 Single Swivel BlockA strong, lightweight range of blocks for use on dinghies and dayboats or as lead blocks on larger craft. Size 2 - Single Swivel Block.

Size 2 Single Upright 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...

8mm Snap Close Shackle - 5 Pack Simply push the shackle together, but once it's snapped shut, it won't come undone again.Specifications: Material: Nylon Package Size: 5 included 

60mm Triple Aluminum Element Block with SwivelElement blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Element’s design pairs the minimum amount of metal required to protect the sheave with a proven journal bearing....

60mm Triple Aluminum Element Block with Swivel & BecketElement blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Element’s design pairs the minimum amount of metal required to protect the sheave with a proven...

Spring Loaded/Lined Slide/Stainless Steel for 1-1/4" T-TrackDelrin™ sheave ensures smooth operation and high safe working load. Stainless Steel cheeks and stainless steel slider ensure reliability. Polyethylene liner and pin stop allow for easy adjustment. Specifications: Track Size 1-1/4" x 3/16" (32 mm x 5 mm)...