Plug key is a component which acts like a switch. It is a small metallic key which is inserted on the brass blocks to switch on the circuit and if it is taken off from the base then the circuit gets switch off.

• Brass Blocks: 9 mm
• Base: Bakellite
• Dimensions:7.5 cm x 5 cm x 4.5 cm Approx.
• Brand: OM LABS
• Packing: Card Board box
• Weight: 100 gm Approx.