Zerodeko 3pcs Laboratory Support Iron Rings Set with Coated Finish Medium Large Small Rings for Lab Stand Clamp for Chemistry and Physics Experiments

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

• Support rings with clamps--this item is made of iron for durability and acid-resistance,Laboratory Ring
• for laboratory--this laboratory is made of iron for durability,Iron Support Rings
• Labs ring--the advantage of this laboratory closed iron is acid and alkali resistance and oxidation resistance,Laboratory Closed Ring
• Iron rings--adopts precision production to stable characteristics and high reliability,Iron Laboratory Rings
• with clamp--these laboratory support rings are very good laboratory assistants and are very practical,Laboratory