Three rows of hairpin-loop supports (14 in all) hold labware with 18mm I.D. necks or larger. The top row has 12 straight pins 102 mm (4") long to accommodate smaller items. A polystyrene tray at the bottom catches water as tubes drain. The legs of the stand have rubber tipped feet for non-skid use on a tabletop, or the stand may be wall mounted using wire loops on the back. 43 x 17 x 48cm (16 3/4" x 6 1/2" x 19") high.