Features: Made of high quality 304 stainless steel, durable in use. Its advantage are high resistance to acid and alkali and oxidation. Beaker chain clip can hold a cylindrical object with a diameter of 80-150mm. A good laboratory assistant, very practical. It is suitable for fixing all kinds of beaker and flask containers on the test bed of biology and chemistry laboratory. Specification: Material: Stainless steel Weight: 324g/11.4oz Chain Length: 43cm/16.9inch Package List: 1 x Beaker Chain Clamp Note: Please note that the color of this product will be sent randomly, and make sure you will not mind before ordering. 1Made of high quality 304 stainless steel, durable in use. 2Its advantage are high resistance to acid and alkali and oxidation. 3Beaker chain clip can hold a cylindrical object with a diameter of 80-150mm. 4A good laboratory assistant, very practical. 5It is suitable for fixing all kinds of beaker and flask containers on the test bed of biology and chemistry laboratory.