Specifications: Size: about 14x23cm/5.51x9.06".
Prism Beam Splitter Portable Spectroscope Physics Experiment Equipment For Class
Spectroscope Prism Beam Splitter Physics Teaching Device School Science Tool
Beam Combine Cube Prism for 405Mm-450Mm Blue Diode Module HighQuality Toy Physics Teaching New Design Rainbow Prism
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Portable, adjustable, seated nut splitter, nut breaker, manual extraction tool
