Description In this electronic science experiment set, you can get 10 pieces professional single pole single throw switch for your different projects use. This switches consists of baseboard, binding post, knives switch, knives feet, knives rest and insulated handle. Features - Color: Black. - Material: Plastic, copper. - Size: 7.50X3.50X0.90cm/2.95X1.38X0.35 inch. - Single-pole single-throw (SPST) switch for making and breaking a single electrical connection circuit. - Safe and visual, knives style switch for stable operation, screw style binding post for secure electrical connection. - Special equipment for students classroom and physics laboratory experiments. - These are low voltage, low current switches, for low voltage DC to power. - It is perfect for physical science education, create a lively and interesting class.Package list: 10 x switches