Use this open-type Hoffman screw clamp for a variety of demonstration or science experiment applications. It is made of chrome-plated brass, and features a 1" opening. Good for science projects, lab use and more.
Features:
$14.99
Build your own windmill generator kit by recycling a plastic bottle!
$34.99
Learn all about the science of light, optics and visual perception with this wonderful kit!
$89.99
Build a model green house and 9 other green energy-related devices with this great kit!
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