Globe Scientific GCH-24 hematocrit centrifuge accessories: GCH-24-ROT-H (24-place capillary rotor, lid + reading disk, 12,000 RPM max) and GCH-24-ROT-1.5-2 (24-place 1.5/2.0 mL microtube rotor, lid + clips + O-ring, 14,000 RPM max). Each sold individually.