Blocks

Ronstan Series 30 Utility Ball Bearing Block - Single, Becket, Swivel Shackle Head

Series 30 Utility Ball Bearing Block - Single, Becket, Swivel Shackle HeadFeatures:Low friction 2-stage ball bearing system provides consistent performance over the full working load range.High static and dynamic load capacity.Light weightVersatile head...

SeaSure 25mm Single Block w/V-Jam

25mm Single Block with V-JamThe 25mm plain bearing block range is one of SeaSure's oldest and best-selling ranges. The range uses marine-grade stainless steel side plates and rivets with an arnite (plastic) sheave, which is incredibly hard-wearing and...

Ronstan Series 50 All Purpose Block - Single Stand Up

Series 50 All Purpose Block - Single Stand UpFeatures:Exceptionally high working loadsLow maintenance, long service lifeSelf-lubricating Acetal polymer sheave ensures low friction and extreme durabilityCaptive Lock™ universal headSlotted pin...

Ronstan Series 30 Utility Block - Single - Ferrule Eye Head

Series 30 Utility Block - Single - Ferrule Eye HeadStainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. Hollow rivets in the block heads can be fitted with shackles, which can also be used to add a becket...

Harken 60mm Double Aluminum Element Block w/Swivel

60mm Double 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...

Schaefer Spring Loaded/Lined Slide/Aluminum f/1-1/4" T-Track

Spring Loaded/Lined Slide/Aluminum for 1-1/4" 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...

Schaefer Series 7 Stand Up Ball Bearing Swivel Block - 2-3/8" 60mm

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)...

Harken 40mm Carbo Air Double Swivel Block w/Becket

40mm Carbo Air Double Swivel Block with BecketLow-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...

Ronstan Series 50 All Purpose Block - Fiddle - Becket

Series 50 All Purpose Block - Fiddle - BecketFeatures:Exceptionally high working loadsLow maintenance, long service lifeSelf-lubricating Acetal polymer sheave ensures low friction and extreme durabilityCaptive Lock™ universal headSlotted pin...

SeaSure 25mm Single Block w/Becket

25mm Single Block with BecketThe 25mm plain bearing block range is one of SeaSure's oldest and best-selling ranges. The range uses marine-grade stainless steel side plates and rivets with an arnite (plastic) sheave, which is incredibly hard-wearing and...

Harken 60mm Double Aluminum Element Block w/Swivel & Becket

60mm Double 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...

Harken 80mm Single Element Block Mastbase w/Swivel

80mm Single Element Block Mastbase 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...