The Rutgerson Battcar has a unique design which requires minimum maintenance and makes the mainsail extremely easy to hoist and lower. This model with swirvel is made to fit together with the Rutgerson 1490-1/1B Batten Fittings. The Rutgerson Battcar is suitable for boats up to 30ft monohull and 25ft multihull, and comes in five different profiles and two wheel sizes to fit most masts. This product is made of high strength composite, aluminum and stainless steel.