50-Pack Assorted Solid Rubber Stoppers, Acid and Alkali Resistant Material_Cork sized for repeated student use

sized for repeated student use on solid-core and stranded wire ahead of crocodile-clip and terminal-block work

125-inch inner diameter with a rod grip up to 5/8 inch for larger flasks on a retort stand

Includes kidneys

Right-angle cone to flexible tubing Rotaflow stopcock in borosilicate glass connects ground joint apparatus to rubber tubing with flow control

and 1 inches in a metal frame with brass end hooks

50-Pack Assorted Solid Rubber Stoppers, Acid and Alkali Resistant Material_Cork sized for repeated student usePack of 50 solid rubber stoppers in assorted sizes provides acid and alkali resistance for comprehensive laboratory vessel sealing applications.