The Geoff Anderson WizTool hook sharpener will sharpen your precious fishing hooks or pocket knives for that matter. This sharpener is designed for hooks that still have a decent basic sharpness and just require fine, cutting edge honing. This Aluminium Trioxide Ceramic stone is a great tool to ensure optimum sharpness for your hooks making sure you catch more fish (hopefully) Our WizTool magnet is a perfect match for the sharpener enables you to mount it on your jacket or vest. 2 flat sides, 2 v-shaped polish tracks and finally a tiny drilled hole for fine-tuning the hook point. Measured according to the Japanese JIS scale (Japanese Industrial Standard), our whetstone has a grain of 3000. This ensures absolute sharpness and a mirror-polished edge and point. Weight: 28 gram