Manufactured from hardened and tempered Chrome Vanadium steel, with a phosphate finish for added corrosion resistance. Lock-On features specially machined flutes in the walls of the socket which enable use on up to 85% rounded fasteners. Colour-coded rings for fast identification. Supplied in storage case. Manufactured from hardened and tempered Chrome Vanadium steel, with a phosphate finish for added corrosion resistance. Lock-On features specially machined flutes in the walls of the socket which enable use on up to 85% rounded fasteners. Colour-coded rings for fast identification. Contents: Deep Sockets; 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22, 24, 27, 30, 32mm. Supplied in storage case. Lifetime Guarantee*. Model No. AK58170M
Shipping Label: Sealey Direct