Description To prevent the linker from separating during the reaction, clips can be used to hold the two sides together. Perfect for securing glassware joints and avoiding costly breakage of joints that come apart. The clip is made of plastic material, will not cause wear on the Erlenmeyer flask or the connector, and is durable. Features - Color:Random Color. - Material:Plastic. - Size:4.50X3.30X1.20cm/ 1.77X1.30X0.47in. - Practical experimental assistant, making chemical experiments more convenient to complete. - Made of plastic material, will not rust, corrosion resistant, finely ensure its strong and durable structure. - Strong holding force, the conical flask and laboratory supplies held by the clip will not fall. - Perfect for securing water pipes, distillation kits, condensers, flasks and more without harming your labs supplies. - Suitable for many places, such as laboratories, hospitals, clinics, colleges, etc. Package list: 12 x Plastic Joint Clips