stonylab Plastic Joint Clips, 10 pcs 29mm Lab Keck Clamp #29 Keck Clips for 29/40 Joint Glass Standard Conical Interface Clip Ground Glass Joint Lab Accessory, Red

Pack of 10, Size: 29 mm, fit joint size 29/40, Use for glass ground joint, Will not corrode or scratch glass, Warranty: StonyLab ensures high quality products and premium customer service; if received damaged, please contact us immediately; we will solve it until satisfied