The Innova XD is a putt & approach disc that is straight. It has a low profile and thin rim which promotes a secure grip and an easy, natural release. These features combined with straight flight characteristics make the XD an easy to throw and control disc. It is the most driver-like putter Innova has making it useful for putts, drives and approach shots. Good golf disc for developing a “touch” around the basket. Beginner friendly. 21.2 cm diameter.