DB 4.2 Single block for round tubes, Ø10.7 mm

DB 3.1

DB 1.2 Single block for microtubes Ø11.5 mm

DB 1.4 Single block for VWR/Eppendorf tubes, Ø11.5 mm

DB 2.1 Single block for conical tubes, Ø17.1 mm

DB 3.1 (Single block for test tube comb., 6/12/13/25 mm)

DB 3.3 Single block for microtube comb., 0.5/1.5/2 ml

DB 4.3 Single block for 16 round tubes, Ø13.9 mm

DB 4.5 Single block for round tubes, Ø17.5 mm