 | This is for a brand new HP Black Aluminum Prop Spinner Nut with a 1/4x28 thread - 20mm Ø Diameter Weight is 11.34 grams Has a cross hole drilled for tightening. These are the original equipment used on the HP .20 Silver Star engines. The most common size on most glow engines. This is the size used on K&B, McCoy, MECOA, ASP, Enya, Fox, HP, HB, Irvine, Magnum, Thunder Tiger, Super Tiger, OS, WEBRA, Merco, and many others. 100% MADE IN U.S.A. by MECOA K&B Mfg. Check our other listings for |
