60-Tube Polypropylene Test Tube Rack for 16mm Tubes, 9.75" Wide Pack Size_Single Nine engraved 10 gram brass

Nine engraved 10 gram brass pieces and a 10 gram hanger on this slotted weight set

and deltas — on a hand-painted three-dimensional model

Master 230-piece molecular model set covering both inorganic and organic chemistry

combining protective gripping with angular adjustment on one piece

the heaviest-leaded flint giving the strongest dispersion in the comparison kit

60-Tube Polypropylene Test Tube Rack for 16mm Tubes, 9.75" Wide Pack Size_Single Nine engraved 10 gram brassStackable grid base on this polypropylene test tube rack holds 60 tubes up to 16 mm across a 9. 75 inch length for chemistry and biology student laboratories.