i have 3 stainless props 15 spline i would like to trade for johnson stainless props 13 spline-1st prop is a 21p 3 blade stilleto mint condition-2nd is a 22p stilleto 4 blade mint condition-3rd is a 24p ballistic 4 blade mint in a box.looking to trade for 21p-23p stainless 3-4 blade johnson or sell.these should fit alpha1,yamaha,mercury,johnson/evinrude.input please?these are off my baja with a yamaha 175hp.looking more to trade for 20p-22p stainless johnson 13 spline.