IMPACT-8 Includes the following: Flat Tip bit, 1/4 x .040, 5/16 hex; Flat Tip bit, 5/16 x .050, 5/16 hex; Flat Tip bit, 3/8 x .055, 5/16 hex; Flat Tip bit, 1/2 x .080, 5/16 hex; P1 Philips bit, 5/16 hex; P2 Philips bit, 5/16 hex; P3 Philips bit, 5/16 hex and P4 Philips bit, 5/16 hex.