I have 2 Yonex RDX 500 MP in 4 3/8 for sale. Both in very good condition and hit for a small amount of time. One is strung w/ Signum Poly Plasma 17 and the other Ashaway Crossfire 17. Overgrips always used. Pictures available. Asking price is 95 + shipping each or 180 + shipping for the pair.