This set of spars consists of mast (ref.OX25ab3), 40mm boom (ref.OX35M3), spar (ref.OX45M3), neck (ref.EX1211), clevis (ref.1240), pins (ref. ex1338) and system (EX1352).
 Recommended set of masts for high level optimist racers under 35kg. The boom is 40mm thick to allow the sail to flex and flatten.