• Chrome vanadium steel bits
• Knurled, chrome plated handle
• Ideal to loose screws or nuts that are rusted or over-tightened
• Reversible to firmly tighten screws
• 1pc. 1/2" impact driver 13 pc 1-1/2" CR-V bits Philips: #1, # 2, # 3, # 4 flat: 3/16", 1/4", 9/32", 5/16", and 3/8" hex: 3/16", 1/4", 9/32" and 5/16"