TEST TUBE STAND, ROUND, POLYPROPYLENE (0785) Handy, space saving. round shape, made of polypropylene, for 12 tubes - 4 of 25mm diameter and 8 of 19mm diameter through the holes on the top plate, which is supported on bottom plate through 4 vertical pins. The base has recesses corresponding to the holes in the top plate, 16 vertical pegs for drying test tubes and is surrounded by a trough shape to contain drippings. This autoclavable stand can be easily is assembled for cleaning. Qty :