PRETYZOOM 3pcs Iron Laboratory Support Set Closed Rings for Laboratory Experiments for Flask and Retort Applications

Package List 3 x Retort Rings Characteristics - Color: Black, silver and blue Iron Laboratory Rings. - Material: Iron with Clamp. - Size: 19.50X10.00X2.00cm/7.66X3.93X0.79 inch Support Rings with Clamps. - Commonly used for chemical reactions, filtrations, and experiments in laboratories, , schools, hospitals, research, and so on for Laboratory. - This item is made of iron for durability and acid-resistance Labs Ring. - Strong in support, iron made rings can support more than these plastic made rings Iron Support Rings. - The thumbscrew in the the ring tightly to a laboratory stand Iron Rings. - Laboratory is used to hold laboratory glassware and other items Laboratory .Goods DescriptionIron Support Rings Laboratory support rings are used for physics and chemistry experiments.Labs Ring Support rings with clamps at the end can keep the ring tight on your stand.Iron Laboratory Rings Made of metal, it is used to support a variety of beakers, flasks, etc

• Iron laboratory rings--the advantage of this laboratory closed iron is acid and alkali resistance and resistance,Laboratory Closed Ring
• Laboratory --made of iron, ensuring it is , and sturdy constructed,Iron Support Rings
• with clamp--this laboratory is suitable for biological and chemical laboratory test beds to support a variety of beakers, flasks, etc,Iron Rings
• for laboratory--there is a clamp at the end of the ring, it can keep the ring tight on your stand, don't need to buy another clamp,Support Rings with Clamps
• Labs ring--commonly used for chemical reactions, filtrations, and experiments in laboratories, , schools, hospitals, research, and so on,Laboratory Ring