Series 40 Ball Bearing Block - Double - 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 - Single, Becket, Loop HeadFeatures: Lightweight durable construction Economical Maintenance free Product Information:Stainless 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...

Series 40 Ball Bearing Orbit Block - CheekFeatures: Ultra Lightweight Low friction 2-stage Orbital ball bearing system Highest working load in its class Low profile and compact High performance cleating Base suits curved mounting surface Low mounting points for maximum strength LightweightKilogram for kilogram...

Series 50 All Purpose Block - Fiddle - BecketFeatures: 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 Snap fit removable becket pin Spare...

Series 30 Utility Ball Bearing Block - Single, 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 weight Versatile head fittings Product Information:Sheaves running on Acetal or Torlon®...

Series 40 Ball Bearing Block - Single Upright LeadLead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers. Precision molded Acetal sheaves running on Acetal or Torlon® ball bearings provide high performance & low...

Series 30 Ball Bearing Block - Single - Loop TopFeatures: Low friction 2-stage ball bearing system provides consistent performance over the full working load range High static and dynamic load capacity Light weight Versatile head fittings Sheaves running on Acetal or Torlon® ball bearings...

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 metal required to protect the sheave with a proven journal bearing....

16mm Double Block with Becket The 16 mm is Harken’s® smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses stainless steel balls in a captive grooved race.Specifications: Sheave: 16mm / 5/8in Length: 54mm / 2-1/8in...

45mm Single Aluminum Element Fiddle Block with Swivel & 150 Cam CleatElement 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...

Series 15 Ball Bearing Utility Block - Single Block, Loop HeadFeatures: Smallest and lightest ball bearing block available Precision molded acetal sheave running on stainless steel ball bearings provide high performance & low friction Single loop head blocks include an O-ring to separate running...

Twin Sheet Lead 25x3MM - Black32-77 Twin Sheet Lead block. The anodized aluminum body is machined from 6061-T6 aluminum and articulates to ensure a proper lead. Anodized aluminum sheave runs on Nomex™/Teflon™ bearing for a low-friction high strength sheave. Pin stop makes adjustment simple. Features:...

Deck Eye Hole Center - 31mmThis deck eye is made from 316 stainless steel, and it went through multiple machining and finishing operations to ensure that it is free of damaging sharp corners and burrs. Specifications: Weight: 0.001kg Height: 10mm Width Between Center of Holes:...

Small Mast or Deck EyeThis eye plate is manufactured from 316 Stainless Steel and underwent multiple machining and finishing operations to ensure it has a smooth finish and is free of damaging sharp corners and burs. Features:Electropolished to give it as much resistance to the...

25mm Double 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 light. Features: This range could be used...

25mm Double Block with ShackleThe 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 light.Features: This range could be used...

General Purpose BlockThe 19mm carbon fiber sheave block range is designed for use with abrasive ropes for high-load applications. The outer cage is manufactured from marine-grade 316 Stainless Steel with a hollow stainless steel rivet through the center of a carbon fiber sheave. Features: The...

25mm Treble 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 light. Features: This range could be used...

Deck Eye Hole Center - 28mmThis deck eye is made from 316 stainless steel, and it went through multiple machining and finishing operations to ensure that it is free of damaging sharp corners and burrs.Specifications: Weight: 0.001kg Height: 9mm Width Between Center of Holes:...

Flat Eye Plate 41mm x 51mmThis eye plate is manufactured from 316 stainless steel and underwent multiple machining and finishing operations to ensure it has a smooth finish and is free of damaging sharp corners and burs. Features:Electro-polished to give it as much resistance to...