4" Cast Iron Closed Ring Support Type_Celestial Steam-sterilizable polypropylene pipette rack holds

Steam-sterilizable polypropylene pipette rack holds 12 pipettes horizontally for bench storage and autoclaving in molecular biology laboratories

storing and transporting tubes between workstations and the sterilizer

01 mm resolution

One-meter single-wire potentiometer with 24 SWG constantan wire stretched along a millimeter scale

a low-cost option for introductory mechanical-advantage demonstrations

4" Cast Iron Closed Ring Support Type_Celestial Steam-sterilizable polypropylene pipette rack holdsRugged cast iron closed support ring with an integral screw clamp, combining a 4 inch inner diameter and a rod grip from 5 16 to 5 8 inch for holding wire gauze and vessels over heat.