Ronstan 60mm Halyard Core Block Wichard Swivel w/ Large Bail The unique sheave design has

The unique sheave design has 12 gripping faces which directly resist loaded line movement

Large grab-and-release button

Sheave Dia:

Max SWL - 300kg (661lb)

Ronstan 60mm Halyard Core Block Wichard Swivel w/ Large Bail The unique sheave design hasProduct Description Ronstan 60mm Halyard Core Block Features Class leading performance and sleek, contemporary styling Excellent dynamic and high static load performance Less than half the friction of the nearest competitor Durable aluminum alloy cheek plates Central hub hole can be used as a becket take off or tie up point Suits direct attachment to mainsail headboard for 2: 1 halyard Removable 8mm (5 16") threaded pin at head Acetal roller on head