HF46IFHD HnF SKU Port (inch) A (inch) B (inch) HF46IFHD-03-02 3/16-1/8 0.63 0.50 HF46IFHD-04-02 1/4-1/8 0.75 0.53 HF46IFHD-05-02 5/16-1/8 0.78 0.59 HF46IFHD-06-04 3/8-1/4 1.03 0.75 HF46IFHD-08-06 1/2-3/8 1.10 0.90 SAE 040103