• Super-handy multipurpose tool for keeping fishing hooks, knives & other tools cutting like new
• Hardened steel shank zinc-plated for corrosion resistance embedded with fine diamonds
• Hardest and most-effective honing material available - sharpens even treated steel
• Rust-proof aluminum barrel with strong brass pocket-clip; 6"-length open, 4" closed
• Unique file design with 3 shapes: groove for hook-tips, flat for knives & round for general use

Highly-effective tool that takes up less space than a ballpoint pen - needle file, sharpening stone and honing rod all-in-one! Keep one in your tackle box and one in your tool box; a properly-sharpened tool is more efficient and safer. One-year warranty and Jack's Tool Shed worry-free Satisfaction Guarantee.