Upper part of the Transferpette® S ejector + Transferpette® electronic, single-channel Transferpette® S, fixed 20 µl, 25 µl, 50 µl, 100 µl, and 200 µl + variable 2 - 20 µl, 5 - 50 µl, 10 - 100 µl, and 20 - 200 µl, single-channel 1 * 1 items