Value Grade (AAA): Great for beginners, or as practice balls for avid golfers. Noticeable wear, discoloration, gloss-loss, blemishes and scuffs. Balls marked practice, x-outs, player pen markings and logos can be present. The RX is designed for players who prefer maximum Tour distance & accuracy. Soft gradational compression core for longer and straighter distance Reengineered mantle for reduced spin and greater accuracy Tour proven Urethane cover for excellent greenside control