Description: These socket adapters have 5 different socket heads for different size nuts. It is used to remove loosening locked lug nuts and damaged lug nuts. Feature: Four different socket heads for different size nuts. Removes loosening locked lug nuts and damaged lug nuts. Protective sleeves, plastic insert design prevents wheels and lug nuts from scratching. Thin wall and deep hollow design fits most high performance alloy wheels Made of metal, durable in use. Come with blow molded storage case. Professional installation is recommended. .