Test Tube Rack S.Steel 16 Holes X 26Mm Dia. 
High quality Laboratory Test Tube racks to fit the Clifton Water Bath range. Stainless Steel 304 spec 18/8 non-magnetic, bright finish. Supplied flat packed ready for assembly. Dimension of Racks: 270 x 70 x 138mm (l x w x h) Quantity Racks Req: 2/4L = 1 Rack, 8L = 2 Racks, 14L = 4 Racks, 22/28L = 6 Racks. 16 Holes x 26mm Diameter.