Impact Allen Key Bits Set, 25/50/100/150mm SAE & Metric Torsion Allen Bits

• 【Complete 25PCS Dual-System Bit Set】 This all-in-one kit includes 25 hex bits in both SAE and metric sizes, with 4 different lengths (25/50/100/150mm), covering every common Allen screw size for maximum versatility in any repair task.
• 【Industrial-Grade S2 Steel for Impact Durability】Made of premium S2 steel with a rust-resistant, wear-proof coating, these bits are tested to 58-60HRC hardness and 180-200N torque, built to withstand impact drivers without breaking or wearing down.
• 【Magnetic & Anti-Slip Design for Secure Work】Strong magnetic tips grip screws tightly to prevent slipping and dropping, while the heat-shrink rubber coating improves grip and protects against water, rust, and corrosion for long-lasting use.
• 【Portable & Organized Storage System】The set comes with labeled holders, locking carabiners, and a clear storage case, keeping all bits neatly organized and easy to carry, perfect for both indoor and outdoor work sites.
• 【Universal 1/4" Hex Shank Compatibility】All bits feature a standard 1/4" hex shank, compatible with impact drivers, cordless screwdrivers, electric drills, and quick-change holders, making them ideal for DIYers and professional tradesmen alike.

Specification: Materials: S2 Alloy Steel Type of head: Hex Type of shank: 6.35mm / 1/4 inch Length: 25mm, 50mm, 100mm, 150mm  High Precision: Adopting precision processing technology to ensure the accuracy of the product. The drill bits can withstand the instant impact of large torque pneumatic tools, greatly improving the service life.  Strong Magnetic: Strengthened magnetic impact hex bits set helps you suck the screw easily and quickly. The magnetic force will not decay after multiple uses, which can improve your work efficiency!  Hex Head Drill Bit Set: The 1/4 inch hex shank makes it much easier to fit into power tools, especially for quick change chuck.  Wide Range of Applications: The 1/4 inch hex shank makes it much easier to fit into power tools, especially for quick change chuck. Fit for electric screwdriver, hand screwdriver, electric drills and air drills. Widely used in home repairs, automobiles, and other screw driving applications.