4-8oz Tire Balancing Beads Kit by Checkered Flag Tires, Zr Compound Tire Balancing Beads with Free Valve Stem Cores & Valve Stem Caps Tire Balancing kit includes 4 bags of 8 Ounces , 4- Filtered Valve Cores, 4-Chrome Caps and a gold colored core tool. Tire Beads are Processed within 1 business day and shipped Priority Mail Premium ceramic dynamic internal tire balancing beads, will not break, re-usable, ECO friendly. Balance beads counteract the heavy spots to provide a smooth ride. Re-balancing the tire from every stop. Prevents uneven wear to your tires. Eliminates the need for spoke or wheel weights that can fall off. Google us for tire balancing charts and get amount of balancing beads needed per tire