High Precision 12PCS 1/4; Hex 50 75 100mm S2 Alloy Screw Driver Bits Magnetic Set PH Electric Screwdriver Bit Socket Tool SetDescription:1. Made of S2 alloy steel, it is rust-proof and wear-resistant, has high hardness and is durable. Frequent long-term testing, durability is much higher than similar products on the market2. Magnetic head design, easy to absorb small metal parts such as screws, easy to use. For some extreme working environments, it is easier to use3. High precision, not easy to slip, and work more efficiently. Exquisite design, high-quality production4. Suitable for hand electric drills, pneumatic drills, rechargeable drills, electric drills and other tools, suitable for combined use with most tools on the market5. There are many types of choices, which can be used together in different occasions and use environments, and calmly face some difficult challengesSpecifications:Material: S2 Alloy SteelLength: 50mm*75mm*100mmShank: 1/4;(6.35mm) HexBit Dia: As the picture shownHardness: HRC601Quantity: 1SET(12PCS)Package Included:12* Screwdriver Bit Return Policy All of our items come with a 30-day free return policy. If you need to return, please contact us, let us know the detailed problem and send us some pictures for confirmation. We reserve the right to refuse any returns for objective reasons. Shipping Policy All of our items are shipped free with tracking numbers. Orders will be shipped within 3 working days upon receipt of payment. Most orders will be shipped within 1 working day. In most cases, shipping takes 8-12 working days.