Pulley, Triple Parallel, 48mm

This pulley is constructed with two low-friction plastic wheels (48mm diameter), a steel housing, and hooks on both ends.

Constructed with a low-friction plastic wheel (48mm diameter), a steel housing, and hooks on both ends.

This double-tandem pulley is made with low-friction plastic wheels. Ideal for physics experiments or learning about simple machines.

This set of four mini pulleys allows you to experiment with motorized cars and equipment of your own design.

This 50 mm metal pulley is mounted in a clamp that can be attached to any board or table top up to 3 cm (1.18") thick.

Constructed with three low-friction plastic wheels (48mm, 38mm, and 28mm diameter),a steel housing, and hooks on both ends.

Cotton cable cord. Works well with our pulleys or for general use.

A high quality hooked weight set for a variety of physical science experiments! Includes the following hooked weights: one 10 g, two 20 g, one 50 g, one 100 g, two 200 g, one 500 g, and one 1000 g.

An economical slotted metal (brass) weight set with hanger.

How do people move massive grand pianos into high-rise apartments? Find the surprising answer in this physics experiment kit!