For cruising and racing yachts, offering a holding power of up to 550kgs - Modern, high performance materials Manufactured from modern lightweight materials, the DO 550 moulded parts are from high grade plastics which are strong, light and impact resistant. Cams and bases are from marine grade aluminium, anodised for long life in the harsh marine environment. True clutch mechanism This true clutch mechanism allows lines to be adjusted through the unit in the closed, locked position with minimal slippage. Release under load is positive and requires little effort. The mechanismÕs opening and closing action is precise and easy to operate, even with cold, wet hands. A positive handle lock in the closed position is also featured. Kind to lines The clutchÕs cam and base, manufactured from high grade extruded aluminium, feature a specially tempered tooth design which allows for maximum grip with minimal slippage, whilst being kind to your lines. Stainless steel rope fairleads are fitted to both line entry and exit points; a feature which helps to prevent wear to both clutch and lines. Ergonomically designed handle The handle is strong and easy to grip, with a positive smooth lock and unlock action. A unique feature of this new design is the removable insert on the top face of the handle. These inserts are available packaged separately with a selection for both cruising and racing yachts. Bolt-together construction for straight forward servicing The DO 550 clutch range features the advantage of a bolt together construction which allows for ease of servicing and replacement of parts. A full range of components is available from your Barton stockist. Suitable for lines 8mm(7/16Ó) to 12mm (1/2Ó). Part of the Barton range