ASTA 50mm Slogging Ring Spanner Box Hammer Striking Wrench Flogging Slugging 50mm ring end flat pattern slogging spanner with heavy duty striking end, enabling one to impart great force. Specifically designed for use with a hammer or sledge hammer. Made of hardened and tempered Chrome Molybdenum (Cr-Mo) for maximum performance and durability. Manufactured to DIN 7444 standard. Specification: Size - 50mm Total length - 253mm GBP 69.99 1