Lansky Sharpeners Fish Hook Sharpener. Only a few strokes with this specially grooved sharpening hone will keep your hooks and lures at their sharpest and extend their useful life. The Lansky Fish Hook Sharpener easily attaches to your fishing vest or key ring. Specifications for Lansky Multi-Groove Fish Hook Sharpener: Manufacturer: Lansky Sharpeners Overall Length: 4.75 in Features of Lansky Fish Hook Sharpener: Two grooves for longer use Easy and simple to use Package Contents: Lansky Sharpeners Fish Hook Sharpener Lansky Sharpeners LFISH: Fish Hook Sharpener