Bel-Art Scienceware 183060500 Low Density Polyethylene Holdflask Weighted Ring, Fits 125-250mL Flask, 36.9mm Center Hole

ASIN B002VA5U52

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Lead-free weights
These economical weights are made from low density polyethylene and will not scratch or mar expensive glassware
Ideal for stabilizing glass and plastic containers, the rings eliminate floating, drifting and tipping in water baths or on benchtops
The rings are filled with sand and the screw cap closures can be taken off allowing for partial or complete removal of the sand to decrease the weight
Increase the weight by removing the sand completely and replacing with a heavier material

Shipping Weight: 0.55 pounds
Package Size: 3.4 x 3.2 x 1.5 inches

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