Forged and heat treated Chrome Vanadium steel impact grade bi-hex 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.36mm Bi-Hex 1/2Sq Drive Deep Impact Socket• Forged and heat treated Chrome Vanadium steel impact grade bi-hex 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. SX006Model No: SX006:Brand: Premier:Depth: Deep:Drive: 1/2Sq:Material: Chrome Vanadium:Nett Weight: 0.56kg:Size: 36mm 12pt:PTDSEASX006