Set contents: (1) 1/4-Inch and (1) 3/8-Inch drive bit holder, (8) 1/4-Inch drive bits, (3) 3/8-Inch drive bits, and magnetic storage rail
1/4-Inch drive bit sizes: 1.5, 2, 2.5, 3, 4, 5, 5.5 and 6 mm| 3/8-Inch drive bit sizes: 7, 8, and 10mm
Bits are impact grade and constructed of S2 alloy steel for strength and durability
Torsion bit design allows bit shaft to withstand high torque by flexing under stress, reduces pressure on bit tip, and extends the impact life cycle up to 10x