The PC-100 micro-pipette puller is a general purpose one or two-step puller suitable for producing pipettes ranging from tip diameters of several 10µm to 1µm. This versatility makes the PC-100 pipette puller ideal for applications as diverse and biotechnology, micro-injection and electrophysiology. The controls are intuitive and allow the user to set heater values for each pull. The PC-100 also features removable light and heavy weights which are used to adjust the pulling force. The adjustable heater settings, the variable weights and the option to use a one-step or two-step pull, give the PC-100 the ability to produce an extremely varied array of tips shapes and diameters, while ensuring reproducibility.