Features:
Shock-absorbing rubber
1 red spinner
2 black spinners
Width: 12.8 mm (0.50")
Height: 9mm (0.35")
High-precision steel hub
Diameter: 6.3 mm (0.25")
Length: 4.8 mm (0.19")
Matching 3-48 x 1/2" screw
Brand new Original Cox items
Hub & screw are Current Production items
 
For use with the Cox 4x2.5 racing propeller a 3/8" screw is required
 
Application:
All Cox .020 Engines