GREY PNEUMATIC 3/8" Impact SAE & MetricMaster Socket Set GY1281 This set contains our most popular 3/8Ÿ?� drive 6 point sockets and universals with extended range metric sizes up to 22mm. Also included is a 3Ÿ?� extension, universal joint and 1/4" hex to 3/8Ÿ?� 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 tool box organizer when the cover is removed. 81 piece set contents: 12 Pieces Fractional Standard Length: 5/16Ÿ?�, 3/8Ÿ?�, 7/16Ÿ?�, 1/2Ÿ?�, 9/16Ÿ?�, 5/8Ÿ?�, 11/16Ÿ?�, 3/4Ÿ?�, 13/16Ÿ?�, 7/8Ÿ?�, 15/16Ÿ?�, 1Ÿ?� 12 Pieces Fractional Deep Length: 5/16Ÿ?�, 3/8Ÿ?�, 7/16Ÿ?�, 1/2Ÿ?�, 9/16Ÿ?�, 5/8Ÿ?�, 11/16Ÿ?�, 3/4Ÿ?�, 13/16Ÿ?�, 7/8Ÿ?�, 15/16Ÿ?�, 1Ÿ?� 16 Pieces Metric Standard Length: 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22mm 16 Pieces Metric Deep Length: 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22mm 12 Pieces Standard Length Fractional Universal: 5/16Ÿ?�, 3/8Ÿ?�, 7/16Ÿ?�, 1/2Ÿ?�, 9/16Ÿ?�, 5/8Ÿ?�, 11/16Ÿ?�, 3/4Ÿ?�, 13/16Ÿ?�, 7/8Ÿ?�, 15/16Ÿ?�, 1Ÿ?� 10 Pieces Standard Length Metric Universal: 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm 1 Piece Each: 3Ÿ?� Extension, Universal Joint, 1/4Ÿ?� Hex x 3/8Ÿ?� Square Adapter Molded Storage Case