This kit includes every thing you need to replace brakes and service the landing gear on a T240, LC41-550FG, LC40-550FG, and LC42-550FG, or otherwise referred to as the Cessna TTx, Cessna 400, Columbia 400, Cessna/Columbia 350 and Columbia 300. This list has been currated by the Columbia/TTx experts at Van Bortel Aircraft, the largest Cessna/Columbia dealer in the world.