SAFE DESIGN: The extra-long barrel helps to keep your fingers away from the blade of the knife, meaning safe use every time. GRIT TYPE: The interchangeable disks come in four different grit types, coarse, medium, fine, and super fine, allowing for versatile sharpening options. 4 DIFFERENT ANGLES: With 4 different angles to sharpen your knives, 15°, 18°, 20° and 25°, this sharpener is suitable for many knife types. PREMIUM QUALITY: Built from high quality stainless steel and high quality bearings to ensure smooth sharpening DESIGNED IN SHEFFIELD: Our team at Rockingham Forge have been designing knives in house in Sheffield for over 80 years EASY USE: Simply attach your knife to the magnetic base and roll the sharpener back and forth along the blade to achieve professionally sharp edged in minutes without any prior skill or practise.