Meets or exceeds ANSI standards Round head ratchet with 40 tooth gear, 3 in (76 mm) extension bar, 6 point sockets: 8 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm, 16 mm, 17 mm, 19 mm 3/8 in drive, Dial design, Directional mechanism, Knurled speed spinner, PVC grip, Universal joint Chrome vanadium steel make for maximum strength