The Tronair 02-7866-0100 is a Bonanza aircraft tail jack.
The device is intended to lift and act as a counterweight for the tail of an aircraft. This device is used with other hydraulic jacks arranged by position and quantity to provide proper balance, and in conjunction with the correct jack pad. The maximum load on any one jack must not exceed the rated capacity of the jack.
*This list is for general reference only and may not be entirely acurate for all aircraft. Please confirm all equipment meets the requirements of your aircraft with the owners/maintenance manuals prior to purchasing or using with your aircraft.