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A disc-type commutator is incorporated and external connection to the phosphor-bronze brushes is by means of a pair of 4mm sockets
Set of 48 beads in 6 colors and 4 shapes
The one-piece design of forged stainless steel provides long-lasting service without the need to replace blades
Reticle Adjustable Eyepiece
Adhesive on one side and magnetic on the other side
Mortar & Pestle Porcelain 50ml Frog Model A disc-type commutator is incorporatedMortar Diameter: 90mm Mortar Height: 56mm Pestle Cap: 160ml Pestle Depth: 30mm Pestle Length: 135ml Designed for use in professional laboratories but is an ideal choice for science classrooms and household use. If you need custom order with different sizes design, please contact us. Safely Packaged to avoid being damaged during transportation.
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