Astro 7835 5-Piece Impact Socket Set with Chrome Protective Plastic Sleeves 5 piece impact socket set - chrome protective plastic sleeves and shallow broach Hollow design creates room for removing longer bolts by pushing out plastic insert Sizes Include: 17mm, 19mm, 21mm, 13/16-inch and 7/8-inch This socket set features protective sleeves and internal plastic inserts that prevent scratching of wheels and decorative lug nuts