3PCS screwdriver head magnetic ring (red, yellow, blue) is suitable for 1/4 inch hex screwdrivers and electric screwdriver heads. The screwdriver head magnetic ring for drill bits is detachable, compatible with various types, and easy to install quickly and easily. It is made of stainless steel, has fast magnetic properties, good wear resistance, exquisite craftsmanship, and high precision. No damage to screws and screwdriver heads, easy to use: simply insert the screwdriver head into the magnetic ring, and the screwdriver head will immediately magnetize and truly grip the screw, making it easy to pick up the screw without falling off. Essential DIY tool: perfect for anyone handling screws, nuts, or metal particles, simplifying installation and disassembly. Screwdriver head magnetic ring: This magnetic screwdriver ring can easily and quickly grasp the screw and secure it. Very suitable for any tool that needs to add a screwdriver, screwdriver, or screwdriver magnetic tool, with strong magnetic effect and long-lasting permanent magnetization. Leaving the magnetizer on the tool can provide additional magnetic strength