Ball OM4 Ball Clay - 1 pound om4-1$1.75 Tenn #1 Ball - 1 pound no longer carry tenn-1 Plastic Vitrox Clay - 1 pound vitrox1$1.50 5 pounds om4-5$2.50 5 pounds no longer carry tenn-5 5 pounds vitrox-5$3.25 10 pounds om4-10$3.50 10 pounds no longer carry tenn-10 10 pounds vitrox-10$5.00 25 pounds om4-25$7.00 25 pounds no longer carry tenn-25 25 pounds vitrox-25$10.00 50 pounds om4-50$9.00 50 pounds no longer carry tenn-50 50 pounds vitrox-50$15.50 100 pounds om4-100$17.00 100 pounds no longer carry tenn1-100 100 pounds vitrox-100$28.00 500 pounds om4-500$80.00 Plastic Vitrox Clay (PVC) vitrox$125.00