Matco Tools 3/8 DRIVE 42 PIECE METRIC & SAE 6 POINT STANDARD AND DEEP ADV. System of Measurement Metric, SAE. Craftsman 3/8 Drive SAE MM Ratchet Socket Wrench Set, USA, 22 pcs 6pt PN 45882.1/4 in. 95 PC Craftsman G Series 1/2 3/8 1/4 Drive Metric SAE STD/Deep Socket Set Lot.