New Old Stock Buck 137 Steelmaster available. It is portable retractable pocket sharpener produced between the 1970s and 1980s. Has a 5-inch retractable stainless steel rod (or honing stone) that locks into an aluminum handle that is all housed in a black leather belt sheath. It acts as both a sharpener and a honer, ideal for field maintenance of knife blades.

Asking $55 cash in Woodbridge, VA.