Barton Boomstrut - Black f/Boats 20-25' [44021]Boomstrut Black for Boats 20 25' Boomstrut 44010 is designed for boats up to 6m (20ft) in length with a maximum boom tip weight of 6. 3kg (14 lbs). Working alongside the existing kicker or rope vang it creates upward lift on the boom to keep the desired sail shape even in light winds. Manufactured with white rods and Spectro Anodised boom & mast fittings. The uplift created means that the boom will not fall onto the boat when the sail is lowered or