Binzzo Lab Joint Keck Clamp Clips Green Plastic 29mm Sturdy Tight Hold Easy Put on off Snug No Scrape for Joints 29/32 and 29/42 Laboratory Glassware Collector Pipe Standard Taper Interface 6PCS

It's stiff enough but flexible.Work well on glassware with ground conically tapered joints.The lab joint clip can keep your glass strong and safe. Hold joints together well.The gap between the bottom clip and the top clip is wide enough so it can hold the male joint above the ridge well.Great for using these clamps on multiple ground glass joints.Not loose and just right to hold the glassware together.Don't be afraid that you'll break something. Keck clips ash catcher securely.Perfect for nectar collector.If you need to melt your projects frequently,it is very convenient to have these joint clip alternatives on hand. Tip:Please don't use these clips for securing glass joints while dabbing. Easily clip on and off,holds tubes tightly.They will fit snugly but easy to put on and take off with one hand.Very suitable for fixing water pipes,distillation kits,condensers,and flasks.Science or home laboratory. Thoughtful design:The laboratory clamp is flat and smooth,and will not corrode or scratch the glass.Can withstand temperatures from -40 to 100 degrees Celsius., Weight: 0.09038952742 Pounds, Manufacturer: Binzzo