Knife Switches & Pulleys

Knife Switches
Brass pole and blades mounted on plastic base with screw type terminal for low voltage. Will not ..
Sheave Pulleys
A great tool for demonstrating the use of a simple machine to make work easier. Black plastic wit..
Tandem Pulleys
Black plastic with sturdy hooks at top and bottom. 10 pieces per box. NYMC97-1204: 38 and 50 ..
Showing 1 to 3 of 3 (1 Pages)