HARKEN 40mm Teardrop Mastcollar ESP Single Block, 6107 Size_Boats up to 36' with a 5/8" sheave size

with a 5/8" sheave size

Smooth edges protect your lines from chafing and wear

Very high working loads in an extremely lightweight block

mainsheet systems

These blocks have a more traditional swivel head and shackle which makes them ideal for use in applications where the attachment points are difficult to access or inspect

HARKEN 40mm Teardrop Mastcollar ESP Single Block, 6107 Size_Boats up to 36' with a 5/8" sheave sizeCruising ESP blocks complement our existing blocks in looks and function, but are simpler in design and construction. Sheaves feature sleeve bearings to handle high static loads and are ideal for halyards or limited purchase systems on cruising boats. These teardrop mast collar blocks coordinate well with any Harken blocks in a deck layout.