Both used with wear apparent on edges, grips, strings, etc. 1) YONEX Isometric Black Micro Core VCORE Duel G - HM Graphite + Black Micro Core + Tough G-Fiber - Face Size: 97 inch^2 - Length: 27.0 inch - Made in Japan - String Pattern: 16/20 - Average Weight: 330g/11.6oz - Balanc e: 310mm 2) Yonex VCORE SV 98 - Material: HM Graphite + Black Micro Core + Nanometric XT - Length: 27 inch - String Pattern: 16/20 - Face Size: 98inch^2 - Made in Japan - G43/8 -45-60 LBS