●A grip orthopedic exercise tool that can be hit with the ball. MASTER THE RIGHT GRIP! ●The key to improving golf is "grip!! Poor grip creates extra strength for awkward swings. Conversely, a good grip allows you to fly straight with a clean swing ●Just take it to the practice field, and you can quickly turn your practice into grip correction and swing ●By practicing repeatedly, you can play your regular golf more fun ●Specifications: Men: 36.5 inch/470 g, Women: 36 inch/390 g, Junior (9 to 12 years): 33 inch/345 g, Junior (5 to 9 years): 28 inch/340 g