General description A compact sharpening tool with a pen-style design, the Laser Tools Double Ended Diamond Sharpener 8646 features a double-ended diamond coated file. It includes round tapered, flat, half round, and grooved sharpening surfaces, making it suitable for sharpening a wide range of blades, tools, and fishhooks. This tool is especially useful for cleaning hard-to-reach trailer socket terminals and removing corrosion from electrical connectors. Technical specifications Length: 185 mm Design: Pen-style with knurled grip and anodised finish Features: Double-ended diamond coated file with multiple sharpening surfaces Usage This multi-purpose blade sharpener is ideal for sharpening various tools, knives, and fishhooks. The tapered end can be used for cleaning and removing corrosion from automotive electrical connectors, including hard-to-reach trailer socket connectors.