Kobalt 20-Piece Standard (SAE) and Metric Combination Polished Chrome Mechanics Tool SetContains 18 commonly used 1 4 in drive 6 point sockets, 1 ratchet and 1 extension 6 Point design helps to reduce risk of slippage and rounding 90 Tooth ratcheting design provides 4 of arc swing Quick release button on ratchets allows for rapid socket and or accessory change SAE socket sizes include 5 32, 3 16, 7 32, 1 4, 5 16, 11 32, 3 8, 7 16 and 1 2 inch Metric socket sizes include 4, 5, 6, 7, 8, 9, 10,11 and 12mm Organized in a blow molded case for