1/2 in. Drive SAE/Metric Ratchet and Socket Mechanics Tool Set (47-Piece)The Milwaukee 47 Piece SAE and Metric 1 2 in. Drive Ratchet and Socket Set offers better access in tight spaces and maximum tool strength. The 90 tooth ratchet tool offers 4of arc swing and a slim profile design, so users can work in tighter spaces. The Milwaukee socket set features an innovative wrench compatible socket design with 4 flat sides to help prevent rolling. The 1 2 in. drive ratchet has sockets with sizes laser engraved into the flats for