ToolShed Deep Impact Sockets. - Sourced directly from a ISO9001 acredited factory that manufactures for many well known brands around the world to the highest standards. - Chrome Molybdenum steel with a black oxide finish. - Exceeds German DIN specifications. - Flat wall drive connects with the fastener for more torque and avoids damaging the fastener. - Overall length 75mm. - 6pt sockets for a stronger grip