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Description

[HK-657] HARKEN 114 mm Wide SheaveBig Boat sheaves are available for special applications as well as for replacement sheaves in Big Boat blocks. Made of hardcoat anodized, PTFE impregnated 6061 T6 aluminum, sheaves feature Torlon rollers to carry high radial loads and carbon black Delrin balls to support sideloads and provide UV protection. Delrin is a registered trademark of E. I. du Pont de Nemours and Company or its affiliates. Torlon is a registered trademark of Solvay Advanced

Rings are Hard Lube-anodized 6061-T6 aluminum for a smooth

A range of styles lets these blocks adapt to almost all control line applications

When end control assemblies are used

Foam-padded block socks slip over your hardware to protect your blocks

High-performance end controls allow the installation of 2:1 to 4:1 purchases

free-running systems

Use on dinghies and small sport boats with jibs up to 13 m² (140 ft²)

The stainless steel sail feeder is strong and durable

nonvertical loads

Includes 3/8" RH fasteners

Adjustable genoa lead cars feature recirculating Torlon® ball bearings for easy adjustment under full sheet loads

Adhere with Sikaflex® silicone for loads up to 100 kg (220 lb) or Spabond™ adhesive to handle loads up to the 200 kg (441 lb) maximum