The Optiparts BlackMax Sprit is designed to suit the Optimist Blackgold range of sailing spars for the Optimist sailing dinghy. This is a stronger and 19% stiffer version of the 29 mm Sprit – giving more control over the leech of the sail.FeaturesMade of the highest grade aluminium and with a black anodized finish – prevents rustChosen as the official charter rigs for the 2004 I.O.D.A. World, European, asian, and Oceanian championships