·S2 Material Forging: The drill bit is made of high-quality S2 alloy steel, with sturdy hardened & tempered construction, they feature an elongated shape and precise tip geometry, which further contributes to their superior strength and durability

·Screwdriver Bit Set Specification: You will get 1" S2 impact bits × 40 pcs(SL1/8"-SL5/32"-SL3/16"×2-SL7/32"-SL1/4"×2-SL9/32",PH0-PH1×2-PH2×3-PH3×2,T10-T15×2 -T20×2-T25-T27-T30, H1/8"-H5/32"×2-H3/16"×2-H7/32"-H1/4"×2, S0-S1×2-S2×3-S3×2), 2" S2 impact bits × 8 pcs(SL3/16"-SL1/4"-PH1-PH2-PH2-PH3-T15-T20), 1pc magnetic impact quick-load chuck, 2pcs magnetic nut driver(5/16", 3/8"), 1pc 1/4" hex shank adapter: 3/8" Dr, 1pc extendable bit holder

·Multiple Screwdriver Bit Tool: Including a variety of phillips, slotted, torx, square, hexagon, and other sizes, ensure the bits that you select will work with your model and device of impact driver before you make a purchase. Which can tighten or loosen screws easily and efficiently

·Portable Tough Case: The customized storage (16.9*10.6*4.8cm) design and tilt in and out provide work efficiency and easy access to the bits. The clear lid of the screwdriver bit set helps you to quickly locate tool accessories. A secure latch is great for keeping bits orderly stored and neatly organized

·Wide Range of Applications: Works with most drilling power tools, including driving screws and bolts into hard surfaces, like wood, metal, concrete, brick, and tile. They can also be used to drill through thin sheets of metal, fasten small pieces together without damaging them