Time saving tool for testing electronic components actuated by a magnetic field. Positive / negative sensor. Batteries included.

Test devices like ignition coil, AC generator, EGR valve controller, relay & hall effect sensors etc.

• 2x AA Batteries included.

This adaptor screws into a roloc style backing pad to convert the backing pad into a velcro holder.

• Suits 3" Roloc style backing pads
• Maximum 6,000 RPM