Made from high-grade manganese steel for maximum tensile strength, its unique shank profile and ballasted tip make the Delta self-launching and its low centre of gravity and self-righting geometry ensures that it will set immediately. With consistent and reliable performance, the Delta is guaranteed for life against breakage and has Lloyd's Approval as a High Holding Power anchor. The Delta is specified as the primary anchor used by numerous National Lifeboat organizations. Weight: 6kg, Recommended Boat Size: Upto 9.5 m, Recommended Chain Size: 6-7 mm.