5 gallon cap injection mold. For A, B, and C type 5 gallon cap. 2738 for core, P20 for base. HRC48-51.life: ... 3,000,000 time 5 gallon cap injection moldfor A, ... B, and C type 5 gallon cap2738 for core, P20 for base. HRC48-51 ... life: 3,000,000 times;2738 for core, P20 for base. HRC48-51, mold life: 3,000,000 times, 4- ...