Precision plastic and rubber balls available from stock, or short delivery. Sizes range from 1mm to 6" diameter. Seventeen different materials including: Acrylic, Buna N, Cellulose Acetate, "Delrin", Nylon, Phenolic, Polyethylene, Polypropylene, Polystyrene, Polyurethane, PVC, PTFE, "Torlon", "Viton".