Sealey Alloy Wheel Impact Sockets 1/2"Sq Drive - Sealey SX03027, Chrome Molybdenum socket, hardened, tempered and anodised for corrosion resistance. Suitable for use with impact tools. 6-Point sockets are externally and internally sleeved to prevent damage to alloy wheels and nuts. Colour-coding for ease of size selection. Sealey SX03027 Alloy Wheel Impact Socket 27mm 1/2"sq Drive