Schaefer Clamp-On Block Kit - 300-75

Clamp on furling block kit includes one 300-35 pulpit block and three 300-34 clamp on ball bearing stanchion blocks for a clean lead aft. 300-35 block includes spring to keep the block upright. Delrin(tm) ball bearing sheaves ensure low-friction throughout the system for easy furling and reefing. Maximum line size 1/2" (12mm)