CHILDWEET 3pcs Laboratory Grade Metalware Set Iron Support Retort Ring Clamp Closed Ring for Lab

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

• Laboratory closed ring--these laboratory support rings are very laboratory assistants and are very practical,Laboratory Support Ring
• Laboratory ring--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,Iron Rings
• Iron support rings--made of iron, ensuring it is , and sturdy constructed,Support Rings with Clamps
• Support ring with clamp--this item is made of iron for durability and acid-resistance,Labs Ring
• Iron laboratory rings--commonly used for chemical reactions, filtrations, and experiments in laboratories, , schools, hospitals, research, and so on,Support Ring for Laboratory