THIS ELEVATION "X-BLOCK" CAN BE USED TO RAISE THE BALL EJECTION HEIGHT OF YOUR SIMON X ON ALL BASELINE DRIVES AND DINKS.  SIMPLY SLIDE UNDER ANY OF THE 3 DIFFERENT SIZED WHEELS (3", 4" 5") OF THE TRI-WHEEL SYSTEM AND GET A HIGHER LOFT ON YOUR SHOTS.  QUICK AND EASY. COMES WITH A CARRY BAG.