Support ring:this laboratory support ring is made of iron for durability,open extension ring
Laboratory support:suitable for being sent as a present for friends or family who love experiment , they will love it,support retort ring
Iron labs support ring:it is a helper for you to do experiments, putting on net can heat the flask to make it evenly heated,sturdy flask support
Application: this laboratory support ring is suitable for biological and chemical laboratory test bed to support a variety of beakers, flasks, etc,laboratory supplies,open ring clamps
High-grade material: these support rings are made of iron which are , waterproof, reusable and can be used for a long time,ring,support stand clamps