Rubex 4 Alum 4B RH Prop 14D x 21P | Solas 9513-140-21 Solas Rubex 4 Alum 4B RH Prop 14D x 21P | 9513-140-21 Solas 9513-140-21 Rubex Aluminum Interchangeable Hub 4-Blade Propeller, RH, 14 x 21 14" Diameter x 21" Pitch RH 4 Blade Aluminum Uses Prop hub kit "E" (Sold Separately) Compatible with Mercury Flo Torque hub kit Exclusive squeeze cast process Stronger blades with better performance RUBEX 4 models have great acceleration, midrange performance, stern lift & handling