The SelectPette Autoclavable 12-Channel Pipette, 20-200 μL, SelectBioProducts imitates the familiar feeling of single channel pipette, they are very comfortable to hold. Each channel has its own precision piston to ensure the accuracy and reproducibility between channels and from one pipette series to the next. This pipette can use the recessed thumbwheel or plunger button to select the volume. All or part of the volume can be selected, and their values can be clearly displayed on the large screen. Each nozzle has its own suspension system. This avoids shaking the pipette to load the needle. To help reduce the force required for tip ejection, the catapult is bent to gradually release the tip. The top mounted top bar is easily accessible by thumb. The tip cone is tapered and is used for general tip fits. Each pipette is equipped with a key for laboratory calibration. When not in use, a bracket can be used to secure the pipette.