Features: 1.The product is lightweight,easy to operate,very convenient. 2.This product is used to hold the condenser or flask on the distillation table and marble titration stand. 3.Equipped with plastic to make the flask or test tube firmer. 4.Dual regulators make it easy to adjust the separation distance. 5.Made of high quality 304 stainless steel, it has good anti-corrosion effect and is more durable. specification: Made of high quality 304 stainless steel, it has good anti-corrosion effect and is more durable. Dual regulators make it easy to adjust the separation distance. Equipped with plastic to make the flask or test tube firmer. This product is used to hold the condenser or flask on the distillation table and marble titration stand. The product is lightweight,easy to operate,very convenient. : Material:304 stainless steel,plastic Size:25.4 cm/10 in Weight:119 g/4.2 oz Application range: Chemistry, biology teaching Usage:Condenser, laboratory flask, test tube Color(optional):red green Package List: 1*Tong