Knife Switches and Pulleys

Knife Switch

Model Number: 97-1101, 97-1102, 97-1103
Brass pole and blades mounted

Detailed description:
Brass pole and blades mounted on plastic base with screw type terminal for low voltage. will not clip or break.


97-1101: Single Pole, Single Throw, 20/bow
97-1102: Single Pole, Double Throw,10/box
97-1103: Double Pole, Single Throw, 10/box
97-1104: Double Pole, Double Throw, 10/box

Sheave Pulley

Model Number: 97-1201, 97-1202, 97-1203
A great tool for demonstrations

Detailed description:
A great tool for demostrating the use of a simple machine to make work easier. Black plastic with sturdy hooks at the top and bottom. 50mm (approx. 2″) diameter. 10pcs box.


97-1201: Single
97-1202: Double
97-1203: Triple
97-1207: Quadruple

Tandem Pulley

Model Number: 97-1204, 97-1205
A great tool for demonstrations

Detailed description:
Black plastic with sturdy hooks at top and bottom. 10pcs/box.



97-1204: Double, 38 & 50mm diameter
97-1205: Triple, 29, 38 & 50mm