Ratcheting Mainsheet Block and Base for the RS Quest. Includes 60mm Selden Ratcheting Block, D Shackle, spring, 3x screws, and eyestrap. The part numbers for the block, shackle, spring, screws, and eyestraps are P406301, A-621105, R1813, FIX-B5-C20, and 508-019, respectively. Also used on the RS Neo.
