1、Match with Any Standard Bit Holder: Can be matched with any standard bit holder such as electric screwdriver, manual screwdriver, electric drill, general tools, pneumatic, etc., very practical 2、Maximum Durability: The cross screwdriver bit is made of K5 alloy steel material for maximum durability, which is a high hardness material commonly used in hardware 3、Well Replace: The product can replace lost, bent or damaged cross screwdriver bits well, very useful 4、Fix Screws Firmly: The magnetic drill bit can fix the screws firmly before installation and after disassembly to improve efficiency 5、More Efficient: Magnetized processing makes the bit easier to grab small parts, making work more efficient and labor saving