Durable aluminum pulley mounted in a bracket on a rod that can be attached to a flat surface with the included clamp. Pulley is 50mm in diameter and is grooved to assure a proper tracking location for string. Threaded rod is 8" (203mm) in length and is approximately 8mm in diameter. Sturdy thick metal clamp mounts on surfaces up to 2 7/16" in thickness. A large "T" spindle makes it easy to tighten. Pulley on a rod attaches to the clamp using a smaller "T" spindle.
Products being sold are not toys. They are for Educational / Laboratory use only. They are not for use by children 12 and under.
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Arbor Scientific is a leading provider of Physics and Physical Science teaching equipment tested and approved by educators recognized for their expertise. Arbor Scientific works with teachers at all levels to find the ‘Cool Stuff’ – unique demonstration and laboratory tools – and then provides lesson plans, supportive teaching guides and science teaching supplies to make each learning experience fun and effective.