The XJ line is specifically designed to provide the best junior equipment for players from 42” in XJ1 to 57” in XJ3. XJ1: 4-piece Set - Fairway Wood, 7-iron, Sand Wedge and Putter. Clubs that are easy to hit and get them into golf. XJ2: 6-piece Set - Driver, Fairway Wood, 7-iron, 9-iron, Sand Wedge and Putter. Clubs to hit long, solid shots.
https://www.callawaygolf.com/golf-clubs/junior-clubs/juniors-2018-xj.html