Handheld aspirator tool set for use with E-Vac aspiration system (sold separately) to transfer liquids. Includes adapters for single-channel and multi-channel pipettes (sold separately). Pressure-sensitive button controls vacuum level during operation. Components are autoclavable for use with biohazardous liquids. Kit includes EV514 HandEvac controller, single-channel adapter, two eight-channel adapters, and safety stand.