GSC International 4-SRC46 Support Ring Clamp, 3" Diameter These support ring clamps are made of a one-piece plated-steel construction, and are intended to hold flasks or other labware on a support stand. This ring has a diameter of 3". Support ring clamps are essential tools for setting up hands-on science demonstrations and experiments, particularly in chemistry and physics classrooms. They provide stability and safety for a variety of lab setups. Holding Glassware: Secure beakers, flasks, or funnels above a heat source or collection container during filtration, heating, or titration experiments. Water Bath Setups: Support small containers or test tubes over a heated water bath for gentle heating during experiments like crystallization or enzyme activity tests. Distillation Demonstrations: Hold condensers or receiving flasks in place during simple distillation experiments. Suspension of Equipment: Use to suspend thermometers, crucibles, or other small equipment during heating or chemical reaction demonstrations. PRODUCT WARNINGS This product is NOT A TOY. It is designed for educational, scientific, or professional use only. Adult supervision is required at all times. Improper use may cause injury or damage. Always follow safety guidelines and wear appropriate protective equipment. Not suitable for children 15 and under.