13 mm and 20 mm Drive Bit Socket Set (39 Piece). Gearwrench 1/4 & 3/8 inch Drive Socket Set 39 Piece SAE Metric Hex Torx Philips. Bit sockets are broached to fit into any conventional ratchet 1/4 or 3/8 in. Drive or the GearWrench Pass-Thru system. Set features hex in SAE and Metric, Torx Philips […]