BPIBLK215$7.25Sizes: 12g size: 3/8 with 5mm Ball12g size: 1/2 with 5mm Ball12g size: 9/16 with 5mm Ball12g size: 5/8 with 5mm Ball12g size: 3/8 with 6mm Ball12g size: 1/2 with 6mm Ball12g size: 9/16 with 6mm Ball12g size: 5/8 with 6mm Ball