This adjustable, 4in1 knife sharpener lets you tailor sharpening to the blade and task, preserves blade life, and stays secure during use. Key benefits Adjustable sharpening modes: Manually adjust grinding angles to match different blade types—kitchen knives, pocket knives, and scissors—so each tool gets the correct edge for its intended cutting task. Edgepreserving design: Controlled grinding removes less material than aggressive sharpeners, producing a sharp edge while extending blade lifespan and reducing the need for frequent replacements. Safer handling: A nonslip base with nonslip stickers on the underside keeps the sharpener stable during use, minimizing slips and accidents in busy kitchen or workshop environments. 4in1 functionality: Combines edge sharpening, coarse grinding, fine polishing, and scissor grinding in a single tool, eliminating the need for multiple devices and speeding up maintenance. What it does and why it matters Function: Manually selectable grinding angles and multistage sharpening let you damaged edges, restore dull blades, and finish with a polished cutting edge appropriate for the blade type. Compatibility: Designed for a wide range of blades—chef's knives, paring knives, pocket knives, and scissors—so you can use one tool across household, professional kitchen, and gear. Performance: Coarse grinding restores shape and removes nicks, while fine polishing refines the bevel for improved slicing and longerlasting sharpness. Durability focus: The controlled material removal approach maintains blade geometry and reduces wear, protecting your investment in quality knives and scissors. Practical use scenarios Home kitchen maintenance: Restore a dull chef's knife and polish the edge for precise slicing of vegetables and meats before dinner prep. Restaurant or catering: Quickly a nicked paring or utility knife and polish it to serviceable sharpness between shifts without replacing the blade. Everyday carry and tools: Adjust angles to sharpen pocket knives and maintain shears used for food prep, gardening, or DIY tasks. What to expect in use Manual angle adjustment for tailored results by blade type. Coarse and fine stages to both restore and refine edges. A dedicated scissor grinding option to maintain shears without separate tools. Stable, safer operation thanks to the nonslip stickers on the underside. This sharpener delivers targeted sharpening, edge preservation, and stable operation for a wide range of knives and scissors, simplifying maintenance and extending the life of your cutting tools.