These Hop-up Options are Tire Inner Foam Strips from Tamiya. This high performance tire inner foam is designed for Tamiya 1/10 scale Touring Car series. Keeps optimum clearance between tire and wheel for superior shock absorbing characteristics. Provides improved traction and steering as well. Tape is supplied; one piece for each foam. Illustrated instructions. Four Tire Inner Foam Inserts Reinforced Slicks Type-A Wheel & CA Glue Width: 25mm Length: 174mm kr5/15/02 ir/kh &