G121-10 - 3/8"G121-15 - 1/2"G121-20 - 3/4"G121-25 - 1"G121-32 - 1 1/4"G121-40 - 1 1/2"G121-50 - 2" G121-65 - 2-1/2"G121-80 - 3"G121-100 - 4"