Portable Double‑Sided Diamond Hook Sharpener What it does and why you need it Restores razor-sharp hook points quickly so you miss fewer strikes and land more fish. Two coarse 400-grit grooves reshape blunted hooks fast; one fine 800-grit groove polishes the point for a smooth, long-lasting edge. Durable diamond surface resists wear and does not shed particles, giving consistent sharpening performance trip after trip. Key features Double-sided design with three grooves: two coarse (400 grit) and one fine (800 grit) for both fast reshaping and a refined finish. Compact size: approximately 10 cm x 1.4 cm (3.94" x 0.55") — slips into a pocket, tackle box, or vest. Diamond material ensures reliable sharpening without particle loss. Built-in lanyard hole for attachment to a keyring, lanyard, or gear bag so the sharpener is always within reach. How it solves common problems Quickly sharpens dull hooks on the water to avoid lost fish and wasted tackle. Small, lightweight design removes the need to carry bulky sharpening tools. Tough diamond surface maintains performance and longevity under frequent use. Practical applications On the boat: touch up hooks between catches to maintain penetration and increase hook-up rates. Shore and pier fishing: carry on your keyring or vest for instant sharpening before each cast. Tackle prep: polish new or stored hooks at home to ensure peak performance before a trip. Simple, reliable, and portable — a practical tool to keep your hooks in top condition without added bulk.