JUMBOMAX® Super-Oversized Golf Grips Full Set. This set contains 13 LARGE grips. SAVE when you buy a full set! JumboMax Grips fit your hands better for superior surface contact, promoting more solid ball striking and providing you with 38% more turning power to rotate the club head giving you added distance. The larger size of JumboMax Grips gives you more precise control and feel while promoting a relaxed grip and a more powerful, fluid swing. JumboMax Grips can quickly and dramatically improve the way you play the game of golf. Our tests show that most golfers prefer and benefit from the feel and playability of oversized grips. Once you try them you'll never want to go back to a skinny golf grip again. Patent pending. USGA Conforming. Tapered profile, black ultra-tack spiral wrap. Super shock-absorbing .600 inch core diameter.