3-Prong Double-Adjustable Universal Clamp with Vinyl Grip and Swivel Boss, 21mm Rod Item Type_Density Cubes & Cylinders Heavy-duty die-cast alloy boss head

Heavy-duty die-cast alloy boss head with a painted gray finish and two adjustable thumbscrews

dimensioned to drop into the PH0652 optical bench for hands-on study of Malus's law and crossed-polaroid extinction

and cytoplasm for classroom cell biology instruction

Class B volumetric flask in borosilicate 3

overhead spring

3-Prong Double-Adjustable Universal Clamp with Vinyl Grip and Swivel Boss, 21mm Rod Item Type_Density Cubes & Cylinders Heavy-duty die-cast alloy boss headThree prong double adjustable universal clamp with non slip vinyl grips and a swivel bosshead accepting rods up to 21 mm, securing large diameter glassware on retort stands.