Test Tube Racks Stainless Steel Test Tube Rack Laboratory test tube rack, stainless steel 304 spec 18/8 non-magnetic, bright finish. Supplied flat packed ready for assembly.Can be easily disassembled for cleaning and sterilisation purposes. All manufactured from stainless steel. Part Number Material External Height (mm) Nominal Width (mm) Number of Holes Diameter of Holes (mm) 6870 Stainless Steel 138 270 26 17 6871 Stainless Steel 138 270 16 26 6872 Stainless Steel 138 270 36 13 6873 Stainless Steel 138 270 18 19 6900 Stainless Steel 138 270 12 32 Z Rack Test Tube Rack Product Code 6877 Description Z Rack Material Aluminium Overall Size Guide (mm) 203w x 115d x 76h Hole Pattern dia. (mm) 13, 19, 28