Jetech 50mm PH2 Phillips Screwdriver Bits, 100 Pack

QUALITY CONSTRUCTION - Made with S2 alloy steel for increased torque, durability and wear resistance.MATTE SURFACE WITH NICKEL PLATE PROCESSING - Improves wear and corrosion resistance.FOR USE WITH HAND TOOLS OR POWER TOOLS - PH2 50mm replacement bits.GREATER MACHINING ACCURACY - German DIN standards ensure greatest possible head error range is less than 0.05mm. 5x greater than Japanese standard bits.SIZE - 6.35mm (1/4") head size, 50mm (2") length. A 100 pack of PH2 50mm screwdriver bits for use with hand or power tools. Made with S2 alloy steel for better torque, durability and wear resistance. Nickel plate processing with a matte surface improves wear and corrosion resistance even further. German DIN standards ensure that the greatest possible head error range is less than 0.05mm. 5x greater than Japanese standard bits. Size: 6.35mm head size, 50mm length