Stahlwille 58621020 732a/10 Ring insert tool 5/16″ Spanner

This bi-hex insert features an AS-Drive profile and is designed for torque wrenches with an interchangeable insert system It is manufactured with a special chromium over nickel plating for a durable and chip-proof finish. Drop-forged, hardened, and cooled in an oil bath, it offers extremely high strength and exceptional durability.