Chromium-plated caps fitted to some wheel nuts are prone to swelling, making them incompatible with standard whole-size sockets. Half sizes allow the secure fitment for safe removal. Chrome molybdenum socket is hard-wearing, tempered and anodised for corrosion resistance. Durable thin-walled design for use with impact tools. Double ended 6-point socket is externally sleeved to prevent damage to alloy wheels and nuts. Socket sizes 21 x 21.5mm. - • CHROMIUM-PLATED CAPS FITTED TO SOME WHEEL NUTS – These are prone to swelling, making them incompatible with standard whole-size sockets. • HALF SIZES - Allow the secure fitment for safe removal. • CHROME MOLYBDENUM SOCKET – This is hard-wearing, tempered and anodised for corrosion resistance. • DURABLE THIN-WALLED DESIGN - For use with impact tools. • DOUBLE ENDED 6-POINT SOCKET – This is externally sleeved to prevent damage to alloy wheels and nuts. • SOCKET SIZE - 21 x 21.5mm