1. This club identification mark can help you identify your club very well, so you don't have to worry about getting your club wrong again. A total of 20 golf club marking marks (3/4/5/6/7/8/9/10/11/12/Aw/P/S/50°/52°/54°/56°/ 58°/60°/65°).
2. In the golf course or the field practice range, because there is a code mark on the back of the grip, the club can be directly confirmed with eyes, avoiding the trouble of turning the club over to confirm.