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Knife Switches & Pulleys

Knife Switches & Pulleys
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Knife Switches
Brass pole and blades mounted on plastic base with screw type terminal for low voltage. Will not clip or break. NYMC97-1101: Single Pole, Single Throw, 20 pieces/box NYMC97-1102: Single Pole, Double Throw,10 pieces/box NYMC97-1103: Double Pole, Single Throw, 10 pieces/box NYMC97-1104: Double Pole, Double Throw, 10 pieces/box   ...
$39.99
Sheave Pulleys
A great tool for demonstrating the use of a simple machine to make work easier. Black plastic with sturdy hooks at top and bottom. 50 mm (approx. 2") diameter. 10 pieces per box. ...
$11.39
Tandem Pulleys
Black plastic with sturdy hooks at top and bottom. 10 pieces per box. NYMC97-1204: 38 and 50 mm Diameter - Double Tandem Pulleys. NYMC97-1205: 29, 38 and 50 mm Diameter - Triple Tandem Pulleys ...
$19.79