Sealey Premier Deep Impact Socket 1/2"Sq Drive 30mm Features: Chrome Vanadium, drop-forged, deep WallDrive® impact socket. Hardened and tempered for added strength, with phosphate finish for greater corrosion resistance. Ideal for use with air impact wrenches. Technical Details: • Chrome Vanadium, drop-forged, deep WallDrive® impact socket. • Phosphate finish for greater corrosion resistance. • Ideal for use with air impact wrenches. • Lifetime guarantee*. • Model No. IS1230D • Model No. IS1230D Additional Information: • One of a comprehensive range of Premier Hand Tools, suitable for daily professional use. • Chrome Vanadium, drop-forged, deep WallDrive® impact socket. • Hardened and tempered for added strength, with a phosphate finish for greater corrosion resistance. • Ideal for use with air impact wrenches. • Lifetime guarantee*.