Bestgle 10pcs 1/4 Inch Shank 150mm Long Magnetic Square Head Screwdriver Bits, SQ2

High quality, made with S2 alloy steel, hardness up to HRC52-55. Square Head: SQ2; Shank: 1/4 hex shank; Overall Length: 150mm/5.9inch. Strong magnetic, can suck the screws easily and accurately when using it. Precision tip geometry delivers superior fitment, reducing stripping and cam-out. Suitable for electric screwdriver, hand screwdrivers, electric drill, air drills etc., Manufacturer: Bestgle