【Adjustable Angle for Precision Sharpening] Easily select your perfect sharpening angle, from 10° to 30°. This wide range suits all your blades, from thick fishing knives to thin fruit knives, and guarantees a precise edge every time.【[4 Diamond Sharpening Stones] Enjoy great flexibility with four individual diamond sharpening stones, made from two double-sided blocks that can be used together or separately. They cover all your needs, from rough repair (360 grit) to a polished and refined edge (1000 grit), allowing you to quickly and easily change grits for different sharpening requirements.【[Easy to Use by Tilting] Tilt the clamp and effortlessly change direction to sharpen both sides of the blade. The manual sharpener is designed for comfortable use in different orientations – left, right, front, or back. This design allows anyone to achieve a professional and consistent edge without difficulty or a learning curve.【[Stable and Secure Design] The professional sharpener stays firmly in place thanks to its non-slip wooden base. The clamp features protective rubber pads to prevent scratches on your knives. Constructed with a metal alloy body and a stainless steel shaft, it is both durable and reliable for long-term use.【[For All Knives] This knife sharpener is safe and compatible with a wide variety of blades, including kitchen, folding, fishing, and fruit knives. Clear markings on the clamp indicate the correct insertion depth, ensuring safe and proper positioning every time. This complete sharpening kit is ideal for perfect knife maintenance.