This is a 38-place blood bank cross-match rack. It holds 5 sets of tubes for a total of 38 tubes. Printed identification is on the top panel. Set one: 1 of the 16mm patient, 1 serum tube, and 1 cell suspension tube. Set two: 4 of the 10mm-14mm forwarding group drives. Set three: 3 of the reverse grouping tubes. Set four: 16 of the major cross-match tubes. Set five: 12 of the minor cross-match tubes. These racks are manufactured of clear acrylic shelves with white bases and sides. It is used for typing, screening, and other blood bank applications. It is also used for blood donor processing. It holds donor sample tubes as well as tubes for donor serum and cell suspension, ABO, Rh, and antibody grouping and screening. 6/Case. Dynalon® #: 159565-3.