Z-SPARS - MAST BASE BLOCK...
A block with an 80 mm diameter sheave will accommodate lines up to 16 mm in diameter. Includes 10 mm stud with nut to fit deck castings with 10 mm holes and 17 mm wide slots for nuts.
A block with an 80 mm diameter sheave will accommodate lines up to 16 mm in diameter. Includes 10 mm stud with nut to fit deck castings with 10 mm holes and 17 mm wide slots for nuts.