Cast-iron acid-resistant support ring
Resists breakage

Description :
Plated steel opening Support retort ring with rotatable swiveling bossed clamp.
Material : Chrome plated steel
This strong  support ring resists breakage and is acid-resistant, making it a must-have for any laboratory.  
The thumbscrew in the clamp locks the ring tightly to a support stand.  
Excellent for use in the chemistry classroom!