The Sticky Jumbo is the largest size available in our popular Sticky series. This revolutionary product will ease tension in grip strength, and is also . The grip is made from two layers of materials, a firm inner core that minimizes torque (made from recycled IOMIC grips), and a soft surface layer made with new IOMAX material for increased comfort. Vise is required to install grips. The grip kit includes the following: - 13 grips - 13 strips of 2" double-sided grip tape - 4 oz bottle of grip solvent - rubber vise clamp.