【5 SHARPNESS OPTIONS】The pencil sharpener allows you to choose between 5 different sharpness settings. Rotate the small knob on the sharpener handle to adjust the tip's sharpness. This manual pencil sharpener provides a long tip (not overly sharp). This pencil sharpener is a long-tip sharpener specially designed for artists. The 5 settings are not very clear. Check our video. Thicker core, longer tips. An ideal choice for artists! 【DURABLE SPIRAL BLADE】The long-lasting spiral blade can sharpen over 4000 times without wearing out. Additionally, the high-quality spiral blade ensures fewer pencil breakages (replaceable spiral blade can be swapped in 2 seconds to extend the sharpener's lifespan). 【BEST PROFESSIONAL SHARPENER】Suitable for all 6-8 mm sketching and drawing pencils. Professional sketching pencil sharpener with hardened steel spiral blade and large blade shavings container guarantees reliability and durability, designed for art studios, schools, offices, home, etc. 【EASY TO USE】You don't need to press the pencil while sharpening. Simply insert a pencil, turn the knob clockwise so the pencil feeds in and gets sharpened. When done, you'll feel resistance decrease. Turn counterclockwise to eject the pencil. Now you can spend more time on your art and less time bent over a pencil box sharpening your pencils! Strongly recommend this sharpener to anyone needing a long-tip sharpener.