Anytime Tools 10 Professional METRIC (MM) HEX BIT SOCKET SET HEAVY DUTY CRV Professional - Drop Forged, Heat Treated, Chrome Vanadium Steel. Satin finish for non-slip surface 7 pc 3/8" Drive Metric Sockets 3 mm, 4 mm, 5 mm, 5.5 mm, 6 mm, 8 mm, 10 mm 3 pc 1/2" Drive 12 mm, 14 mm, 17 mm 4 matched clip-on Storage Rails.