Great Planes Collet Prop Adapter 4mm-1/4x28 Prop Shaft (GPMQ4965)

This is the Great Planes ElectriFly 4mm to 1/4-28 Prop Adapter and Propeller Nut. FEATURES Large shaft size for Brushless or Brushed motors with 4mm shafts INCLUDES One prop adapter One prop washer One 1/4-28 prop nut REQUIREMENTS Tightening the prop nut to compress the prop adapter onto the motor shaft SPECIFICATIONS Total length: 1.3" (33mm) Diameter of prop washer: 1.1" (28mm)