HF1F HnF SKU Port (inch) OAL (inch) Hex (inch) HF1F-04-08 1/4-1/2 1.12 1-1/8 HF1F-04-12 1/4-3/4 1.12 1-1/4 HF1F-06-12 3/8-3/4 1.24 1-1/4 HF1F-08-12 1/2-3/4 1.37 1-1/4 SAE 010165