Grey Pneumatic offers a 3/8” Drive, 81-piece Fractional & Metric Master Impact Socket Set, No. 1281. This set contains the most popular 3/8” drive 6-point sockets and universals with extended range metric sizes up to 22mm. Also included is a 3” extension, universal joint and 1/4” hex to 3/8” square adapter for use with hex drive impact tools. All packed in a compact, low-profile, blow molded storage case which can be used as a toolbox organizer when the cover is removed.