YARNOW 3pcs Iron Laboratory Support Rings Set, Sturdy Painted Metal Closed Lab Rings in Small, Medium, Large Sizes for Scientific Experiments and Glassware Support

Package Include 3 x Retort Rings Characteristics - Size: 19.50X10.00X2.00cm/7.66X3.93X0.79 inch. - Material: Iron. - Color: Black, silver and blue. -Product Info: -ring sleeve - This laboratory is made of iron for durability Iron Laboratory Rings. - The advantage of this laboratory closed iron is acid and alkali resistance and oxidation resistance for Laboratory. Laboratory Closed Ring - These laboratory support rings are very good laboratory assistants and are very practical Iron Support Rings. - Adopts precision production to stable characteristics and high reliability Laboratory Ring. - This laboratory is suitable for biological and chemical laboratory test beds to support a variety of beakers, flasks, etc Iron Rings.Goods DescriptionIron Laboratory Rings Commonly used for chemical reactions and experiments in laboratories, factories, schools, hospitals, research, and so on.Laboratory Closed Ring This iron support rings set comes with 3 retort rings, which can securely hold various sizes of bottles and instruments

• Laboratory --the thumbscrew in the the ring tightly to a laboratory stand, for Laboratory
• with clamp--adopts precision production to stable characteristics and high reliability,Iron Support Rings
• Laboratory ring--laboratory is used to hold laboratory glassware and other items,Iron Rings
• Laboratory closed ring--it is manufactured with professional technology to ensure the of the product and can work for a long time,Iron Laboratory Rings
• Labs ring--this item is made of iron for durability and acid-resistance,Support Rings with Clamps