Removable hinged lid fits both sides. PCR side of the rack has 168 wells that hold 0.2 ml tubes. The wells accommodate 8- or 12-tube strips or individual tubes. The opposite side of the rack has 40 wells that hold 0.5 ml tubes. Both sides of the rack have 12 wells for 1.5 ml tubes. Autoclavable. Assorted colors: blue, green, purple, yellow and orange. Removable hinged lid fits both sides. PCR side of the rack has 168 wells that hold 0.2 ml tubes. The wells accommodate 8- or 12-tube strips or individual tubes. The opposite side of the rack has 40 wells that hold 0.5 ml tubes. Both sides of the rack have 12 wells for 1.5 ml tubes. Autoclavable. Assorted colors: blue, green, purple, yellow and orange.