Features: *Quickly Magnetize or Demagnetize Screwdriver Tips Or Screw Bits. *No batteries or electrical required, easy to use. *No matter how good your screwdriver is, it will be demagnetized after a period of use. *The magnetic demagnetizer can be used for any tools that need to be magnetized, such as screwdrivers, screwdrivers, screwdrivers, etc. It is simple and convenient to use. *When it is difficult to pick up the screw, just insert the screwdriver into the magnetized end with "+", so that the screw can be picked up easily. *When repairing electrical appliances, electronic components, and accessories, insert a screwdriver into the end with a "-" character, and the magnetism can be removed immediately. *The product does not include screws and screwdrivers, please be aware. How to use: *Add magnetic: Slide the screwdriver tip repeatedly in the "+". *Degauss: Slide the screwdriver tip repeatedly in the"-". Specifications: Product name: 2 In 1 Demagnetizer Magnetizer Material: Plastic Color: Red / Green / Blue Size: (Approx. ) 53*50*29mm Suitable for: Screwdrivers or Steel Tools Quantity: 3pcs Package Included: 3 × Demagnetizer Magnetizer Note: 1.Transition: 1cm=10mm=0.39inch. 2. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 3. Please allow slight manual measurement deviation for the data. LLDI 3pcs 2 In 1 Screwdriver Magnetizer Degaussing Demagnetizer Change Magnetism Tool Easy to install and reliable to use. Solid and durable, long service life. Pls kindly check the decription before you order. Any other in need pls contact with us directly Brand new and high quality