Globe Scientific Stainless Steel Z-Shape Tube Rack (457100) holds 25 tubes in the 12/13mm diameter range — the standard size for blood collection tubes, coagulation tubes, and small culture tubes. The Z-shaped wire profile provides a wide base for tip-proof stability when fully loaded, and empty racks nest inside each other for compact storage. Stainless steel construction is rustproof and withstands the wet, chemical-heavy environment of clinical and research laboratories indefinitely.
Z-Shape: Engineered for Stability and Nesting
The Z-shape is a structural choice, not cosmetic. The angled profile creates a footprint wider than the tube-holding area above it, preventing the loaded rack from tipping when tubes are removed from one side. When empty, the same geometry allows racks to slide into each other — a stack of 10 empty Z-racks takes barely more space than two flat racks. In labs with dozens of stainless racks cycling between use and storage, this nesting property recovers meaningful shelf and drawer space.
12/13mm: The Clinical Standard
The 12/13mm diameter encompasses standard vacutainer-type blood collection tubes, coagulation tubes, ESR tubes, and small microbiology culture tubes. This 25-place format (5x5) provides a compact rack for small-batch work — individual phlebotomy trays, single-patient specimen sets, or small culture panels. For higher-volume processing, see the 50-place model (457105) in the same 12/13mm diameter.
Specifications
SKU: 457100
Tube Diameter: 12/13mm
Capacity: 25-place (5x5)
Material: Stainless Steel
Stackable: Yes (nesting Z-shape)
Dimensions: 4.5 x 4.25 x 1.5 in
