stonylab 250 ml Glazen Enkele Hals Rondbodemkolf RBF, met 24/40 Standaard Conische Buitenste Verbinding

the item is what it was described and works well for my purpose

The glass itself is good quality, but the neck is far too thick, therefor the kek clips do not fit. All the other sizes minus the 2L double neck flask are fine. I experienced the same thing with the 2L boiling flask, and ultimate purchased a whole new one from a different company. For now i am just using 500ml flasks rather than 250ml. No biggie but would be nice if the 250ml fit.

Great product at a great price. Shipped fast and I love the glass.

Unable to find a clip to fit these. :*( Missed my return window thinking I could.