HARKEN 40mm Teardrop Mastcollar ESP Single Block, 6107 Size_Boats up to 36' Very high working loads in

Very high working loads in an extremely lightweight block

High-impact Delrin® sheaves turn on polished stainless steel spacers

It's specially designed and constructed for long service life

and are an ideal solution for modern control line systems on dinghies up to larger yachts

HARKEN 40mm Teardrop Mastcollar ESP Single Block, 6107 Size_Boats up to 36' Very high working loads inCruising 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.