CYLBAQ Square Screwdriver Bits, 11Pcs Square Head Screwdriver Bit Set 25mm+60mm S2 Steel Tamper Proof Magnetic Security Bits 1/4” Hex Shank with Extension Bit Holder Impact Power Drill Tool

Product Features

• 💎【Premium Material】CYLBAQ Square Screwdriver Bits are made of excellent industrial grade S2 steel material for superior hardness and wear resistance, durable for a long time service. Ideal tool for electrician, industrial use, home maintenance, diy project, anti-theft system and repair work.
• 💎【Impact Bit Design and Phosphating Treatment】Impact design for greater torque and improved work efficiency, a versatile addition to your toolkit. Square security bits surface phosphating treatment, the special process greatly improves the anti-rust and anti-corrosion performance of the bits; wrapped with wear resistant rubber, waterproof and rustproof.
• 💎【Strong Magnetic】Magnetizable Square head screwdriver bits can be easily keep screws stuck to them,can improve your work efficiency; Each edge of the square bit can be accurately locked screws, precision tip geometry delivers superior fitment, no damage to the screw and the screwdriver head.
• 💎【Professional Sizes】The square bits set is security tamper proof design. Include SQ1 SQ2 SQ3 SQ4 SQ5, 25mm and 60mm overall length in total 10 pieces and 1pcs 60mm Bit Extension Holder. 1/4 inch/6.35mm Hex Shank.
• 💎【Wide Application】The square screwdriver set can be easily inserted into any 1/4” hex shank electric screwdrivers, hand screwdrivers, electric drills, air drills and so forth. Widely used in repairing household appliances, precision instruments, furniture.