MKP-24 The only 100% fully weedless prop. Patented design pushes weeds away to conserve battery power. Easily moves through heavy vegetation or cover, even at slow speeds. PROP NO.: #2331130 MOTOR DIA.: 4'' PROP NUT KIT: D MOTOR MODELS WITH SERIAL NUMBER PREFIX MK Fits Motors: MAX 101, MAX 101/H, MAX 101/H/3X, VANTAGE 101, RT101/S, RT101/S/3X, RT101/B, RT101/B/H, RT101/B/BG/3X, VECTOR 101/3X