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All of our green laser pointers are fitted with an infrared (IR) filter to catch any hazardous invisible IR light for maximum classroom safety
TSA compliant and more compact than a standard 6" engineering scale ruler
Comes with a hard wooden case and soft foam cut-outs to keep your lenses and prisms protected between activities
17 physicist unit conversions including pressure
The Pocket Scientist - Scientific Ruler and Reference Shopify Collective Go to checkout to seeCarry your passion for science in your pocket. This laser cut, laser engraved, 0. 5 mm enamel coated stainless steel scientific pocket ruler is designed for passionate scientists and engineers who may find themselves needing a quick straight edge, wondering what's next to Technetium in the Periodic Table, pausing to double check the 6th significant figure in the speed of light or who somehow forgot the 42nd digit of pi. Keep it in your wallet at all