Ronstan 75mm Double, Non-Swivel Head Core Block Ronstan Alloy Sheaves Elliptical hole design tolerates alignment

Elliptical hole design tolerates alignment variations

Our covers are made of UV-resistant Sunbrella® woven acrylic canvas with an elastic cord in the crown for fit

Boat Size Up To LOA

Length: 3 3/16" (81mm)

to allow quick and easy removal of the mainsail for changeover

Ronstan 75mm Double, Non-Swivel Head Core Block Ronstan Alloy Sheaves Elliptical hole design tolerates alignmentProduct Description Ronstan 75mm Double, Non Swivel Head 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 Removable threaded pin at shackle head Central hub hole can be used as a becket take off point. Measurements