Item Details: *Made of high quality material, and practical to use *Usage: It can be combined with electric screwdriver or hand tool to screw the nut. The head anti-slip texture can better bite the nut and avoid slipping. *Non-slip, high buckle, high hardness and magnetic. *Suitable for all types of screw installation *Overall hardened heat treatment, high hardness, wear resistance *Applicable to wind batch, hand drill, charging screwdriver, etc. *Material: Steel *Color: blue/silver.(As pictures show) *Length: 50mm,90mm,127mm,150mm *Quantity:4pcs  Package Contents: 4* Non-Slip Screwdriver Bit Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. 【Non-Slip Hex Shank】The screwdriver bits have a non-slip hex shank design, a secure grip and slipping during use. 【Magnetic PH2 Head】The bits feature a magnetic PH2 head, allowing for easy and convenient screwing and unscrewing of nuts. 【 for durable and Wear-Resistant】Made of high-quality steel, the bits are for durable, long-lasting, and resistant to wear. They can withstand heavy use without compromising their performance. 【Versatile Application】Suitable for various screw installations, these bits can be used with electric screwdrivers, hand tools, wind batches, hand drills, charging screwdrivers, and more. 【Multiple Length Options】Available in four different lengths (50mm, 90mm, 127mm, 150mm), these bits provide flexibility for different needs and tasks.