Razor sharp blade - Preloaded with a COB-1 Compass Circle Cutter Blade made from high-quality carbon tool steel for sharpness and edge retention. - Designed to maintain a keen edge for longer cutting sessions, reducing interruptions. Adjustable circle diameter - An adjustable slide mechanism lets you set the circle size you need. - Capable of cutting circles up to 6 inches in diameter. Tool-free blade replacement and ambidextrous use - Easy, tool-free blade replacement: untighten the large knurled knob to remove the screw-fixed blade and replace it. - Can be used comfortably by right- or left-hand users. Versatile performance for multiple applications - Made for crafts, model building, photography, scrapbooks, sign making, and more. - Suitable for cutting paper, vinyl, leather, film, fabric, acetates, cardboard, light wood, and more. Use scenarios - Create precise scrapbook or craft embellishments with clean, consistent circles. - Produce custom vinyl decals, signs, or stencils with reliable circle accuracy. - Prepare round components for model building or photography backdrops with repeatable results.