Cold-forged Chrome Vanadium steel socket. Hardened and tempered for added strength. Chrome plated in half chrome, half satin finish with knurled ring for extra grip with oily fingers. WallDrive® socket configuration. Features & Benefits: • Cold-forged Chrome Vanadium steel socket. • Hardened and tempered for added strength. • Chrome plated in half chrome, half satin finish with knurled ring for extra grip with oily fingers. • WallDrive® socket configuration. • Lifetime guarantee*. • Model No. S1220 Specifications: Model No S1220 Brand: Premier Depth: Standard Drive: 1/2"Sq Material: Chrome Vanadium Nett Weight: 0.00kg Size: 20mm