GRAY HOLE INSERTS & THROAT PIECE: PRINCE O3 SPEEDPORT BLACK / TEAM / LB. TX200
>>PRINCE O3 SPEEDPORT BLACK. HOLE INSERTS & THROAT PIECE You can find the Engineering Code for most Prince racquets on the inside of the throat. GRAY "HOLE" INSERTS. I am human and will err, but will do my best to right any situation.