Meets or exceeds ANSI standards Round head ratchet with 40 tooth gear, 3 in (76 mm) extension bar, 6 point sockets: 4 mm, 5 mm, 6 mm, 7 mm, 8 mm, 9 mm, 10 mm, 11 mm, 12 mm, 13 mm 1/4 in drive, Dial design, Directional mechanism, Knurled speed spinner, PVC grip, Universal joint Chrome vanadium steel make for maximum strength