This is Great Planes Scale Tailwheel Assembly.
A Tailwheel with scale looks and performance.
FEATURES: The hardware is supplied for a scale-looking, spring centered
pull/pull assembly that provides better dampening when landing
on grass or rough runway surfaces.
Equipping the assembly with a steel pushrod (not included) allows
the modeler to utilize a direct-connect tailgear on their plane
for crisp ground control.
INCLUDES: One Scale Tailwheel Assembly with tailwheel bracket, 1-3/8" (35mm)
lightweight foam tire, steering arm, two springs, three wheel collars
four 3mm set screws, two 3x12mm screws, and a 1/8" tailwheel wire.
REQUIRES: Installing on model and connecting linkages
SPECS: Length of Tailwheel Bracket: 5-3/4" (146mm)
Diameter of Tire: 1-3/8" (35mm)