These screwdriver bit kits are made of precision optimized materials with a hardness of equal 62hrc - High. This excellent hardness ensures that the drill head remains sturdy even under use. The magnetic screwdriver drill bit kit has high hardness, wear resistance and impact resistance, and the magnetic position is tough and durable for long periods of time. Our D1 anti-skid and shock-absorbing drill bit is designed with a screwdriver, which is a delicate waist engineering. The thin waist buffer absorbs the hard impact of the impact driver, so the magnetic drill bit has good impact force. -duty magnetic drill bit kit - non sliding serrated blade - magnetic screwdriver drill bit kit has a strong magnetic and anti slip tip, ensuring that each edge can be accurately locked with screws. Farewell to screws, screws, and effective engagement, reducing head sliding greatly improves work efficiency. Upgraded High Hardness Strong Magnetic Drill Bit - Multi functional and Accurate, the kit includes positions, and you will always have the perfect working tool. From delicate tasks to heavy projects, our Impact Driver Kit covers all your daily operational needs. These long screwdriver bits are compatible with impact drivers, electric screwdrivers, manual screwdrivers, 1/4 inch driver screwdrivers, wire drills, manual screwdrivers, electric drills, aerial drills, and more. The hexadecimal bit kit removes fractures or drilled holes . Magnetic screwdriver bit kit, pH 2 magnetic screwdriver bit, anti slip magnetic drill bit kit, S2 steel side slot screwdriver bit for power screwdriver impact drill The magnetic screwdriver drill bit is equipped with a stronger magnet than other screwdrivers, which can easily and quickly secure more screws and prevent the drill bit from slipping. Made of high-quality resistant steel. The hardness reaches 62 hours and can be used for high-intensity work situations. The delicate waist design and thin waist buffer absorb the huge impact of the impact driver, so the drill bit has good impact resistance. Suitable equipment for hand drilling lithium drilling electric screwdrivers. Other:With magnetism Function:Anti slip/Wear resistant/High hardness/Rust free Colour:As Shown Material:Metal Size:6 drill bits with different lengths - 25mm, 50mm, 65mm, 70mm, 90mm, and 150mm Package Contents: 3 sets * 6 magnetic screwdriver positions 3 * magnetic screwdriver positions 6 * magnets(3 red and 3 blue) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.