Performance Tool - 1/2" Impact Socket Sets Features: Made from drop forged chrome vanadium steel for strength and durability Rounded corners for a tighter grip Large size laser etching for easy identification Lifetime warranty SAE shallow socket sets include: 7/16”, 1/2”, 9/16”, 5/8”, 11/16”, 3/4”, 13/16”, 7/8”, 15/16”, 1” SAE deep socket sets include: 3/8”, 7/16”, 1/2”, 9/16”, 5/8”, 11/16”, 3/4”, 13/16”, 7/8”, 1” Metric shallow socket sets include: 10 mm, 13 mm, 14 mm, 15 mm, 16 mm, 17 mm, 18 mm, 19 mm, 21 mm, 22 mm Metric deep socket sets include: 10 mm, 12 mm, 13 mm, 14 mm, 15 mm, 16 mm, 17 mm, 18 mm, 19 mm, 21 mm, 22 mm