I have FOUR (4) WILSON PROSTAFF CLASSIC 6.1 (16x18 string patterns). Two in 4 1/2 grips are the si versions. One is rating 7.5/10 and the other is 8.5/10 conditions. They are both just restrung with MSV FOCUS HEX & GOSEN SHEEP MICRO HYBRIDS. I am selling them $150 shipped within US. Two others are 4 3/8 grips. One is 8.5/10 and other is closed to 9.5/10 conditions. They are both also just restrung with MSV Focus Hex & Gosen Sheep Micro hybrids. I am selling them $180 shipped within US. I don't have a Paypal account, so personal check or money order will be accepted. Check must be cleared first for me to ship the racquets. My refs at TW is tennislove33.