Features 1、It is equipped with a fixed top screw (fastening screw) for fixing and sealing the glass ground. 2、It is suitable for scientific research, teaching experiment, industrial and mining enterprise laboratory. 3、It is made of 304 stainless steel, fine workmanship, smooth and shiny, and not easy to rust. 4、It is used to fix the ball mill mouth collection bottle on the pillar of the iron stand when performing the distillation reflux distillation device. 5、Exquisite workmanship, strong clamping force, the clamped experimental supplies will not fall. Specification Item Type: Spherical Clamp Material: Stainless Steel Color: As shown in the picture Size: As shown in the picture Application: Suitable for scientific research, teaching experiments, industrial and mining enterprise laboratories for distillation and reflux distillation equipment used to fix the spheric joint collection bottle on the pillar of the iron stand. Package List 1 x Spherical Clamp