Forged and heat treated Chrome Vanadium steel impact grade deep socket, chemically blackened for corrosion resistance. Malleable steel material makes the socket suitable for use with either hand ratchet wrenches or air impact wrenches. Features & Benefits: • Forged and heat treated Chrome Vanadium steel impact grade deep socket, chemically blackened for corrosion resistance. • Malleable steel material makes the socket suitable for use with either hand ratchet wrenches or air impact wrenches. • Lifetime guarantee*. • Model No. SX009 Specifications: Model No SX009 Brand: Premier Depth: Deep Drive: 1/2″Sq Material: Chrome Vanadium Nett Weight: 0.67kg Size: 40mm