32-Well Test Tubes -- Designed with 32 sockets, which is about 128mm/5 inch wide, 240mm/9.4 inch long, 91mm/3.6 inch thick, hole: 22.5mm, can accommodate 32pcs test tubes, providing more capacity and convenience for experimental use. Suitable for test tubes less than 22.5mm in diameter.
Quality Material -- This test tube display stand is made of high quality aluminum material, which is sturdy, not easy to be deformed, durable and long service life, high temperature resistance.
Three Layer Design -- This test tube bracket with a three layer design can better prevent the test tube from swinging left and right, firmly grip the test tube, and effectively avoid damage to the test tube.
Easy to Use --This test tube holder is very convenient in daily life or when doing experiments. You can put your test tube in the hole of the test tube holder, neat and orderly.
A Good Helper in Laboratory -- Very suitable for the laboratory, providing a clear view of the contents of the test tube and making it easy to insert and remove the test tube.