Bergeon Tunnel Demagnetizer, 3321

Slowly pass the object to be demagnetized through the apparatus, and take it out of the other side. Repeat the operation several times, always in the same direction. Press the button during the entire operation. Demagnetizes watches, cases, tools, and small parts. 

• Maximum operating period is one minute
• Opening size: 2.36" W x 1.38" H