Missing a vital part of your Roulette game? This precision Roulette Ball is designed to work perfectly with most Roulette Wheels. Made of 100% carbon steel this Roulette Ball is the perfect replacement or extra for your home game. 1/2 inch replacement ball for your roulette wheel. Each Roulette Ball measures 1/2" and 8 grams. * 5 balls per order. NOTE: We also have a ceramic 1/2" lighter ball sold on this site.