VALICLUD 3pcs Iron Laboratory Support Rings Set for Experimental Use, Painted Heavy-Duty Iron Rings in Small, Medium, Large Sizes with Clamp Compatible for Chemistry Lab Equipment

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

• Laboratory ring--laboratory is used to hold laboratory glassware and other items,Support Rings with Clamps
• with clamp--this laboratory is suitable for biological and chemical laboratory test beds to support a variety of beakers, flasks, etc,Iron Support Rings
• Laboratory closed ring--the advantage of this laboratory closed iron is acid and alkali resistance and oxidation resistance,Iron Laboratory Rings
• for laboratory--widely used, can be used at laboratories, factories and other occasions,Iron Rings
• Laboratory --this item is made of iron for durability and acid-resistance,Labs Ring