US$ 11.15
Copper 2 by 0
4 inches long for chemistry and microbiology classroom stations
Equal-mass density set in aluminum
this USB 2
5-Piece Low-Friction Tandem Plastic Pulley Set Subcategory_Thermometers Copper 2 by 0Five pulley set of tandem low friction plastic pulleys at 25, 38, and 50mm wheel diameters in open sided frames, equipping a class for compound pulley and variable diameter work.
US$ 11.15
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