2-in-1 Quick Magnetization & Demagnetization Tool Used for Screwdriver BitsOOTDTYComs: minimize the loss of screws. No batteries or electricity required. Magnetize or demagnetize steel tools and other small iron parts immediately. Converts any tool blade into a magnetic retriever of bolts, nuts, and metal particles. Ideal for do-it-yourselfers, mechanics and carpenters. Not only for magnetizing and demagnetizing a screwdriver. A must for any toolbox! Specification: Material: Plastic Size: About 50x2 8mm/2.0x1.1in Color: Blue/Black/RedPackage Included: 1x Demagnetizer-MagnetizerNote: Please allow 1-3cm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.