So far they have been great with light use. They do feel fragile and I fear they could break if I stack them or accidentally knock one against the skin when cleaning... I wish the glass was thicker so I could worry less about breaking them and go about my work. You get what you pay for and these are fine until I can get something nicer and am ready to invest. If you want to use these heavily, I might suggest something else.
Verified purchase: Yes | Condition: New
I Had never used this brand before but so far i am very happy with the quality, they seem well made have consistent thickness and great quality markings, the Karter Logo seems to be metallic and has nice visibility, resistance to acid remains to be deteremend but it's on the outside so i don't see that as a problem, they where individually boxed with in a larger box so nothing rattled and survived the rigors of shipping with out any problems. I only use these at a hobby level so i think they will give me a long service life and are a good value. the only thing i noticed was a little bit of the enamel used for the logo was on the inside of one 500ml flask but that's easy removed and i would not call that a defect at this point. I would recommend these to other people
Verified purchase: Yes | Condition: New
Full line of volumes up to 1 Liter (1,000mL); Fill lines give semi-volumetric amounts in the beakers; lightweight but fragile as they will crack or break if you are not careful.
Verified purchase: Yes | Condition: New
I use these to pour liquids and waxes while making hand creams. Good quality, clear markings,and the sizes are just what I need for my experiments. They don't survive a fall to the floor well at all, so keep them off the edge ;)
Verified purchase: Yes | Condition: New
I received all glass in great shape and the quality was even better than I expected. This Font is very clear and easy to read. I can’t believe I was afforded such a bargain in price!
Verified purchase: Yes | Condition: New
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