Quick-Change Allen Wrench Drill Bits – The Hex Bit Set includes 10 precision bits with 1/4" hex shank for instant power tool compatibility. The transparent sturdy case ensures organized storage and portability. High-Strength Screwdriver Bits – CNC-machined from premium S2 alloy steel with hardened cores for maximum durability and fracture resistance. Manganese phosphate coating provides superior rust protection, ensuring long-lasting performance. High-Strength Magnetic Screwdriver Bits – Engineered with reinforced magnetism that won't weaken over time, this Hex Bit Set securely hold screws for effortless pickup and driving, even after repeated use. ACCURATE SIZE – The Hex Bit Set includes the sizes: 10pcs SAE-5/64”,3/32”, 7/64”, 1/8”, 9/64”, 5/32”, 3/16”, 7/32”, 1/4”, 5/16”. 10pcs metric-1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 5mm, 6mm, 7mm, 8mm. These Magnetic Drill Bits are accurate to size. Wide Application Impact Hex Bits Set – This versatile allen wrench bit set works with drills, impact drivers & hand tools. Heavy-duty (furniture/auto) to precision (electronics/3D printing). COMOWARE 21pcs Allen Wrench Drill Bits (Metric&SAE), S2 Steel 1/4" Hex Bit Set, CNC Tip Screwdriver Bits, 2" Length Magnetic Drill Bit, Impact Hex Bitss Set For Electronic Devices Disassembly