PRETYZOOM 3pcs Iron Laboratory Support Rings Set with Clamps, Painted Iron Retort Rings in Small, Medium, Large Sizes for School and Industrial Lab Use

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

• with clamp:the thumbscrew in the the ring tightly to a laboratory stand,Laboratory Ring
• Laboratory :this laboratory is suitable for biological and chemical laboratory test beds to support a variety of beakers, flasks, etc,Labs Ring
• Support rings with clamps:these laboratory support rings are very good laboratory assistants and are very practical,Laboratory Closed Ring
• Iron support rings:the advantage of this laboratory closed iron is acid and alkali resistance and oxidation resistance, for Laboratory
• Iron rings:this laboratory is made of iron for durability,Iron Laboratory Rings