Astro Pneumatic 7870 Impact Socket Set - Chrome Protective Plastic Sleeves and Shallow Broach. This socket set features protective sleeves and internal plastic inserts that prevent scratching of wheels and decorative lug nuts. Hollow design creates room for removing longer bolts by pushing out plastic insert. Sizes Include: 13/16", 7/8", 1", 1-/16", 17mm,19mm, 21mm. Blow molded case for easy storage and transport.