4-12oz Checkered Flag Tire Balance Beads with Zr Compound Tire Balancing Beads, Free Valve Stem Cores & Valve Stem Caps Tire Balancing kit includes 4 bags of 12 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 ( Checkered Flag Tire Beads ) for tire beads charts and get amount of balancing beads needed per tire