General description Sealey SX1820S Double Ended Alloy Wheel Impact Socket Set is designed specifically for the safe removal of alloy wheel nuts. The set features half sizes that ensure a secure fit, preventing damage to both the nuts and the wheels. The chrome molybdenum construction provides durability and corrosion resistance, making it ideal for use with impact tools. Technical specifications Socket sizes: 18.5 x 19.5 mm, 19 x 21 mm, 21 x 21.5 mm, 22 x 22.5 mm Drive size: 1/2" Sq Extension length: 75 mm Model No.: SX1820S Other information Durable thin-walled design for use with impact tools Externally sleeved double-ended 6-point socket to prevent damage to alloy wheels and nuts