Silver Mast  The Optimist Silver regatta mast is less stiff than Blackgold spars and is ideal for lightweight Optimist sailors who just started racing. It’s made of high quality aluminium tube and fitted with: Aluminium halyard and downhaul Clamcleats EX1381 Stainless steel hook-in block backing plate Plain bearing hook-in block EX1340 Plain bearing 19 mm halyard block EX1332 Low friction wind indicator EX1243 Set of nylon top pins EX1338 Pin stop EX13372 Blue measurement band sticker EX1333B 4 mm 2:1 polyester halyard Vectran halyard 1.4 mm and 3 mm Dyneema bridle included in rig pack. EX1005 Silver Boom The lightweight 40 mm Optimist SILVER regatta boom from Optiparts is much stiffer than the 32mm school boom and will allow the Optimist sailor to put more tension on the leach. EX1022 Silver Sprit The 25.4 mm Optimist SILVER regatta sprit has 15 cm anti chafe protection tubing. EX1041