Ronstan 60mm Halyard Core Block Wichard Swivel w/ Large Bail Sheave Dia:

Sheave Dia:

Eye Inside Width: 1" (25mm)

Weight without ballast: 6lbs (2

Thickness: 7/16" (11 mm)

Ronstan 60mm Halyard Core Block Wichard Swivel w/ Large Bail Sheave Dia:Product 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