Please compare our specs with the other top Opti race spars out there. The big difference is the price! You do not have to spend over $600 to have your Opti sailor outfitted with top quality race level spars. Includes Harken halyard block and all lines needed including theouthaul, vang & boom bridle. Also comes with a windvane and clips. So you just need to tie on your sail and you are ready to go race and win! ADVANTAGES : over spars from other mast makers -Drilled before the tubes are anodized for resistance to corrosion -German Monel top quality Rivets - Harken blocks included -Measurement bands on the mast and trim scale on the boom -Delrin Mast butt for either post or cup mast steps -Riveted Stainless Steel Backing plate inside the Mast to prevent wear Aluminum specs; -Mast- 7003T5 * 45 mm Diameter * 2.3 mm Wall thickness * 2327 mm Length -Sprit- 7003T5 * 27 mm Diameter * 1.6 mm Wall thickness * 1990 mm Length -Boom- 7003T5 * 40 mm Diameter * 1.2 mm Wall thickness * 2220 mm Length -40mm is Boom stiff enough for the widest range of Sailors No need to get multiple booms as your sailor grows. UPS Ground in the Continental US is under $30.00. We charge the actual delivery price after shipment. Availability: Usually ships the next business day. BWSRegular price: $450.00Sale price: $349.99 1 Pair of Mast Plug Pennant holders for the Opti Availability: Usually ships the next business day. EX1338Regular price: $16.00Sale price: $5.99 Due to the wide variety of the size and weight of our items we will charge the actual cost of shipping in a separate charge on all orders. Please email us for a shipping cost estimate. Shipments outside the USA may have add on fees and duties by your own government. Sailing can be green! See our recycle your old sail offer Send us email