This is the replacement Prop Adapter for the 50mm Diameter
Great Planes RimFire Brushless Motors.

Features

Aluminum construction, Silver in color
Replaces a worn or damaged prop adapter

Includes

One Prop Adapter
One Prop Washer
One Prop Nut (5/16"-24)
Four 3x10mm Cap Head Screws

Specifications

Length: 1.58" (40mm) overall 1.26" (32mm) shaft only
Diameter: .31" (8mm)
Mounting: 19mm (ctr-ctr opposite) kpm02/20/2007