This is the motor mount for the Great Planes ElectriFly RimFire Motors with a can diameter of 35-42mm.
Features:
Includes: 35-42mm RimFire Motor Mount
Requires: Fastening to model and attaching motor
Specs:
Length: 2.3 (57.9mm)
Width: 2.3 (57.9mm)
Thickness: 0.12 (3mm)