10 pc. screwdriver bit set including Phillips #1. 8 Allen SAE/Metric Keys: .050", 1/16", 3/32", 1.5mm, 2.0mm, 2.5mm ,3.0mm, 4.0mm. 7 Hex Wrench Sizes: 10mm, 12mm, 14mm, 1/4" 1/2" (2) and 7/16. Perfect for adjusting most popular size screws, nuts and allen keys. Handy all in one tool.