Size]34#, fit for 34/28 and 34/45 glass joint. [Material]Made from plastic, light weight and durable, smooth surface for easy installation [Size] - 34#, fit for 34/28 and 34/45 glass joint. [Material] - Made from plastic, light weight and durable, smooth surface for easy installation. Feature Made of Plastic, Light Weight and Durable, Smooth Surface for Easy Installation. Ash Catcher Sourcing Map Lab Joint Clip Plastic Clamp Mounting Clips For Size 34 Joint Clip Applications] - Great For Securing Glassware Joints And Avoiding Costly Breakage Due to Joints Coming Apart. Perfect for Securing water pipes, distillation kit, condenser, flask bottles [Temperature Resistance] - Can Bear -40℉ (-40℃) to 212℉ (100℃). Lab Joint Clips Material: Plastic Color(Available): Red, White, Green, Blue, Black, Orange Size(Available): 10#, 12#, 14#, 19#, 24#, 29#, 34#, 40#, 45# Temperature Resistance: Can Bear -40℉ (-40℃) to 212℉ (100℃). 34#,Plastic Clamp,Lab Clamp Clip,5PCS/LOT, for 34/... – Grandado [Applications] - Great For Securing Glassware Joints And Avoiding Costly Breakage Due to Joints Coming Apart.