ANEX Impact with Case and Bit 1901 Driver, 12.7mm Drive, 5-Piece Set, No.

Drive size: 12.7mm (1/2 inch) RoHS2 compliant: Yes Bit: Chrome-molybdenum-vanadium steel Handle: Carbon steel/alloy steel Set contents: Impact driver body, 8mm bit holder (+2x36, +3x36, +4x36, -8x36, -10x36 (AK-21P))