Brand new, never used ER40EVO Electron retracts. The mains have the 1/2 strut mounting and the nose gear has the 8mm pin setup. The nose gear also has the steering servo plate. These are the latest generation and are reversible. Different trunion blocks are available for almost any size strut. It comes with the RS-200 controller which controls the landing gear, brakes and gear doors, mounting bolts and blind nuts. It also has the instruction manual.