Are you looking for a practical, yet labs ? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? , ! Our items, made of , must meet you needs. It is one of the for you. This laboratory is suitable for biological and chemical laboratory test bed to support a variety of beakers, flasks, etc. Features - Color: Mainly silver. - Material: Iron. - Size: 17.00X8.50X2.20cm/6.68X3.34X0.86inch. - Its material is high-class and , not easy to damage, strong and , strong toughness. - These laboratory support rings are very good laboratory assistants and are very practical. - Smooth surface and nice polished, neat and generous, so don't need to worry about harming your hand. - Suitable for being sent as a present for friends or family who love experiment , they will love it. - This laboratory is suitable for biological and chemical laboratory test bed to support a variety of beakers, flasks, etc. Package list: 2 x iron support rings