The Handypette Pipette Aid provides a simple, reliable, and economical solution for manual pipetting with both glass and plastic serological pipettes. This pipette pump is designed for easy, one-handed operation. Rotating the knurled thumbwheel precisely draws up liquid, while the fast-release lever allows for quick dispensing. For drop-by-drop dispensing, simply rotate the thumbwheel in reverse. Its acid and alkali-resistant construction can be easily disassembled for cleaning. Key Features & Benefits Simple Thumbwheel Operation: The intuitive thumbwheel mechanism allows for precise and controlled aspiration and dispensing of liquids. Fast-Release Lever: A conveniently located lever allows for rapid emptying of the pipette when needed. Secure Pipette Hold: The collar is designed to securely grip both glass and plastic pipettes for safe, wobble-free operation. Easy to Clean: The unit can be easily disassembled for thorough cleaning and maintenance. Chemically Resistant: Built to be resistant to common acids and alkalis used in the laboratory. Color-Coded: The pipettes are color-coded by volume for easy identification at the bench.