Heavy duty chrome molybdenum steel, heat treated for strength and durability. Protective sleeves and plastic insert design prevents wheels and lug nuts from scratching. Thin wall and deep hollow design fits most high performance alloy wheels. Contents: 17, 19, 21mm, 13/16“

Alloy wheel impact sockets have thin walls and can only be used at low torque. These are classed as a consumable and do not carry a warranty. Ideally should be tightened using a torque wrench.