10Pcs Single Knifes Switch:Used for Physics Laboratory,School Electronic Experimenting,Great for Demos Teaching Basic Principles of Electricity & How a Simple

Features

• Knife , low voltage, low current , for low voltage DC to power.
• Single Throw , special equipment for students classroom and physics laboratory experiments.
• Educational Single Pole Knife , safe and visual, knives style for stable operation, screw style binding post for secure electrical connection.
• Single- pole single- throw ( SPST ) for making and breaking a single electrical connection circuit.
• Knife switche is for physical science education, create a lively and interesting class.