Test tube clamps hold fast to test tubes for safe handling.
No needle included. Tuberculin slip tip. (PACK OF 10)
An easy adjusting nut provides 360 degrees jaw rotation. It will attach to rods up to 3/4" diameter....
Nickel-plated. Die-cast base 7/16" aluminum mixing tube. For natural gas.
High grade, medium wall rubber tubing for general laboratory use. Melting point 230°F (110°C). Ava...