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3 finger clamp accepts rods up to 20 mm, 3 prong dual adjust extension clamp
3 finger lab clamp and black lab stand clip for laboratory use, Hold Test Tube, Flask, Condenser Tube and so on.
3 finger lab clamp
3 Rubber Coated Prong Jaws Strong die-cast construction,Made of Zinc-alloy Covered jaws for protection and grip,Holds Irregular Shapes Easily
3 finger clamp accepts rods up to 20 mm, 3 prong dual adjust extension clamp
black lab stand clip
Clamp Holder Boss Head is large, easy-to-rotate knobs help provide extra leverage to easy and accurate adjustment.
3 finger lab clamp and black lab stand clip for laboratory use, Hold Test Tube, Flask, Condenser Tube and so on.
JUAN CARLOS
Reviewed in the United States on February 21, 2023
entrega en los tiempos ofertados
Screamingmadconsumer
Reviewed in the United States on June 28, 2022
Easily holds a half gallon mason jar with room to spare the plastic guides get in the way of the chain hook somewhat and need to be loosened partially for the chain to engage the hook fully but a beefy lab clamp otherwise.
Arthur t.
Reviewed in the United States on June 16, 2021
I had one of these already and was extremely pleased with how well it grips glassware (and you cant beat the price) so I just had to get another.When first using it you may be a little scared of breaking whatever glassware your using it on because of how much tension your putting on the chain and therefore squeezing the glass but I've found glass tends to be stronger/sturdier than you expect, its usually a sudden sharp impact that breaks glassware (at least I've found with borosilicate glass). So release the spring tensioner by unscrewing the bolt, wrap the chain around the glassware and pull until the next possible link on the chain gets to the holding finger during which you will add tension to the spring, once its there you will need to tension the screw some more by screwing down the spring as the original tension amount is not enough to hold the glass without it falling out. Once its there and you tightened it properly it wont come off, I guarantee it.The original I used to hold a cold trap for vacuum distillations and it holds it tight and the glassware doesn't slip out, even when I try to manually pull it out, I have to release some spring tension before it comes loose, even then it takes effort to move it.
tammy ryman
Reviewed in the United States on February 5, 2020
Works great
larrry sellers
Reviewed in the United States on November 5, 2020
Not a great clamp. Tightening mechanism is clunky and weak. The stand rod-arm thumb screw thing is good.
James N.
Reviewed in the United States on April 16, 2020
This is definitely a "get what you pay for" kind of thing. The clamp works okay, but it is definitely a cheap design. The wingnut gets stuck a lot.
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