HF259F HnF SKU Ports (inch) A (inch) B (inch) Body (inch) HF259F-04-02 1/4-1/8 0.67 0.64 0.44 HF259F-06-04 3/8-1/4 0.89 0.86 0.64 HF259F-08-06 1/2-3/8 1.06 0.94 0.76 SAE 010302