The Only One in the World!! Non-Slip Design with Pentagon Processing Next-Generation Grip with Two Key Features By bonding clear and colored elastomer, the design is protected from dirt, and the Pentagon-shaped groove processing prevents slipping in all directions, achieving a strong grip. ☆Important Notes for Installation☆ The elastomer material of this product is not resistant to highly volatile solvents, so please refrain from using them. In particular, please avoid using benzene and thinner. Diameter: M60 Weight: 48g ± 2 With Backline (For Underwrap Tape Only)