2-Prong Double-Adjustable Stainless Steel Clamp with Vinyl Grip and Swivel Boss, 21mm Rod Safety Supplies_Gloves Seventy-eight-piece molecular model set with

Seventy-eight-piece molecular model set with 45 atoms and 33 bonds for building basic organic and inorganic structures

Three-inch inner diameter supports beakers and funnels on this plated mild steel closed retort ring

Four-point-five-ohm 9A standard rheostat with constantan winding on a vitreous-enameled steel tube

with polystyrene spheres

Jumbo-sized for heavier apparatus

2-Prong Double-Adjustable Stainless Steel Clamp with Vinyl Grip and Swivel Boss, 21mm Rod Safety Supplies_Gloves Seventy-eight-piece molecular model set withStainless steel two prong double adjustable universal clamp with vinyl coated prongs and a swivel bosshead up to 21 mm, gripping burettes and tubes up to 2. 15 inches across.