This D type 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!
D type SUPPORT RING
Gelsonlab HSG-193 D type IRON ELECTROPLATE SUPPORT RING Retort Ring with Rotatable Swiveling Bosshead Clamp
Resists breakage