Take professional-grade blade maintenance anywhere with a compact portable sharpener from Block Sharpener. Proudly made in the USA, our lightweight handheld design is built for survival bug-out bags, hunting packs, and tackle boxes. It features patented D2 steel rods that automatically flex to match your knife’s exact factory bevel, realigning and honing edges in the field without grinding away valuable metal. Engineered with vital safety features—including an ergonomic thumb guard shield and a high-traction non-slip over mold grip—it provides secure freehand handling on flat or wet surfaces. Keep pocketknives, serrated blades, and outdoor tools razor-sharp on the go with a lifetime guarantee and free nationwide shipping. portable sharpenerShowing the single result