The clips are used to hold ground glass joints glassware when assembling lab set-ups (reflux, distillation, sublimation, Schlenk lines, etc.) The keck clip has flat and smooth surface, will not corrode or scratch glass. Also, to prevent a joint from separating during a reaction process, these clips can be used to secure the two sides together.

• Material: Keck Clips are made of polyacetal, can tolerate temperature from -40℉ (-40℃) to 212℉ (100℃), very durable plastic build
  
• Sizes: 10 mm, 12 mm, 14 mm, 19 mm, 24 mm, 29 mm, 34 mm, 40 mm, 45 mm

* COLORS VARY