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$4.95 - $4.95
Current price $4.95
A knife switch is a switch used to control the flow of electricity in a circuit. It is composed of a hinge that allows a metal lever, or knife, to be lifted from or inserted into a slot or jaw. The hinge and jaw are fixed to an insulated base, and the blade has an insulated handle to grip at one end.
For use in science Life Pac Kits