● Description:
★Main Product: Cross Impact Screwdriver Bits Set
★Material: S2 Alloy Steel
★Color: Black
★Color:1/4 Inch Hex(6.35mm)
★Special
Ⅰ. High toughness and strong
Ⅱ. Deliver a tighter fit and less cam-out
Ⅲ. Suitable for manual and electric impact driver
Ⅳ.After blackening treatment, will not rust

● Feature:
1. 【High Quality】
- Heat treated, durability, has high hardness, not easy to wear.
2. 【Professional Hex Bit Set Are Made of S2 Alloy Steel, Very Well Made And Tough As Nails】
- Hardness can reach HRC60 degree. Hex key set fit for electric drills with speed regulating device, electric screwdrivers, hand screwdrivers.Please do not use drill bits on pneumatic tools, air dills, and the electric drill without speed regulation. A long lifetime of the drill bit is reached due to its durable construction and superior technology.
3. 【Nickel Plating Surface Treatment, Super Anti-Rust】
- High quality, long lasting and durable. The Hex drill bit set is clearly marked that you can find what size you need quickly.Easy to take and use.
4. 【Magnetic Tips And Arbitrary choice Length】
- The hex allen screwdriver set is a little bit magnetic, which helps to keep nuts and bolts stuck to them. Can improve your work efficiency. Thumbs up! 

● Package Included:
2/3/4/5pcs x Hex head alloy bits

● Warm Tip:
Dear, if you have any questions about purchasing our products, you can contact us, we will solve everything for you.