Hex Head Glass Hollow Stopper, 5 Pack
Processing: 1-3 business days. Shipping: 3-7 business days.
24/40 Outer Joint; 19/22 Outer Joint; 14/20 Outer Joint
Hollow glass stopper.
Hexagon Head Stopper. Convenient to clean and rotate, and side grooves can prevent slippage.
Borosilicate Glass, Heavy Duty Design, Reusable & High quality.
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Free standard shipping on labware orders in the US.
2-Year Comprehensive Warranty
Rest easy knowing that all web registered members receive a 2-Year Comprehensive Warranty on their purchases.
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QUESTIONS & ANSWERS
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Good glass stoppers. I prefer the hex head style to the penny heads. They are hollow but seem sturdy enough. StonyLab seem to have quality products so far. I've purchased several items from them.
Well packaged. Arrived quick. In good shape. Would buy again.
Its glass. But it ended up being cheaper than if I bought from China.
These 24/40 glass stoppers are light and have a precision fit. Great value.
Works like a charm, great quality
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