• 1-Way Copper Plug Key Switch
• Includes one removable plug, with a plastic guard
• Fitted to a sturdy base
• Two, 4mm terminals
• Useful in classroom physics experiments, and provides an interesting way to complete a circuit in electrical demonstrations

One-way copper plug key switch includes two, 4mm terminals, and one removable plug (with plastic guard). Fitted on a sturdy base. Useful in classroom physics experiments, and provides an interesting way to complete a circuit in electrical demonstrations.

The base measures 3″ wide and 2″ long. Copper blocks are approximately 0.6″ tall. Entire unit stands 1.75″ tall. Plug measures 0.75″ wide, 0.25″ long and 1″ tall.