Optiparts EX1375 complete Optimist mainsheet system for school Optimists. Contains: 1 x 8 mm 6 meter polypropylene mainsheet (EX1377), 2 x 34mm plain bearing block (EX1318),1 x 34mm plain bearing block with becket (EX1320), 2 x 4mm plate shackle (EX1301), 1 x 5mm plate shackle (EX1302), 1 x spring (EX1304).
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