Provide you a better user experience. By using this site, you accept ouruse of cookies. Vintage benchmade pre-production 710 axis lock knife (4 black) 372/500. The knife is in excellent condition and features the original box and paperwork. The benchmade mchenry & williams 710 folding knife features a black aluminum handle with an axis lock mechanism. It has an ats-34 stainless steel blade in a drop point style with a black finish. The blade can be quickly deployed using ambidextrous thumb studs. Includes a stainless steel pocket clip for tip-down carry. This model is marked pre-production run 372 of 500.