Saipor Set of 9 Pieces Magnetic SQ2 Square Head Screwdriver Bits 1/4 Inch Hex Shank Square Drive Bit Security Electric Screw Driver Drill Bit for Electric Hand Screwdrivers, 50/100/150mm Length

• Type of Screwdriver Bits Head: Square; Type of Shank: 1/4 Inch Hex Shank; Size: SQ2
• Made of high-strength S2 alloy steel , very durable, firm and wear-resistant for us to use
• Magnetic heads can firmly fix screws, protect both screws and bits
• Used for electric screwdriver, hand screwdrivers, electric drill, air drills etc. perfect for electrician, mechanic and repair work
• What you get: 9pcs SQ2 Square Head Screw Driver Bits|3pcs 50mm + 3pcs 100mm + 3pcs 150mm length

Specification Item Type: Square Screwdriver Bits Material: S2 high quality steel Hex Shank Size: 1/4" Length:50mm/100mm/150mm Features 1. High quality, made with S2 alloy steel, hardness up to 60HRC. 2. Special heat treatment, super hard wear-resisting, life is twice as long as ordinary screwdriver. 3. Strong magnetic,can suck the screws easily when used it. 4. Exquisite workmanship, each edge can be accurately locked screws, no damage to the screw. 5. Can be used for manual electric screwdriver, screwdriver, drill, air and other tools. 6. It is an ideal industrial screwdriver widely used in industry and household. Package included 3pcs SQ2 Square Magnetic Head Screw Driver Bits(50mm/1.97”) 3pcs SQ2 Square Magnetic Head Screw Driver Bits(100mm/3.9”) 3pcs SQ2 Square Magnetic Head Screw Driver Bits(150mm/5.9”)