SCHAEFER 37 mm 3 Series Fiddle Block - Swivel, Becket, 303-55 Electrical_Shore Power Cables Use single-speed winches for sheets

Use single-speed winches for sheets on small boats and for halyards on medium and large boats

Each block is constructed of tumbled and polished stainless steel

Composite sheave spins on ball bearings with fitted races for low-friction rolling

Fits all Harken winch handles

featuring a CFC-free XPLORE® 2-layer fabric and a taped seam construction for a waterproof and breathable finish

SCHAEFER 37 mm 3 Series Fiddle Block - Swivel, Becket, 303-55 Electrical_Shore Power Cables Use single-speed winches for sheetsSchaefer's 3 Series blocks offer strong, high quality metal construction built to take the punishment associated with running rigging mounted on the deck or spars. Excellent for use on small cruisers, daysailors and high performance racing dinghies. Aluminum with white Delrin sheaves Sheave width: 9 16" (14mm) Pin diameter: 3 16" (5mm) SWL: 1,000 lbs. (410kg) Special Order Only