SCHAEFER MARINE
Schaefer Clamp-On Furling Line Stanchion Lead Block, 1 in. Ball Bearing
Mfr # 300-34. Clamp-On Furling Line Stanchion Lead Block - 1 in. Ball Bearing DelrinTM ball bearing sheave allows for quick and easy furling line adjustment. Stainless steel cage and strap ensure durability. Specifications: Stanchions 1 in. 25mm in diameter 1-7/16 in. 37mm Sheave Diameter Maximum 1/2 in. 12mm line size Safe Working Load = 1000 lbs 450kg