【Durable 】: Compact poop design with durable casing and strong, helical/spiral rotating blade that can be removed for easy cleaning. 【Pencil Sharpener】: This desktop manual pencil sharpener is made of plastic material and its design is durable. 【Large Capacity Design】: The pencil sharpener has a large capacity chip collection box design that eliminates the hassle of frequent dumping and saves time, making it perfect for use at school, home, and office. 【Manual Pencil Sharpener】: Its alloy steel roller has a blade for easy rolling and pen sharpening. 【Multifunctional】: Sharpens 6mm diameter round, triangular and hexagonal pencils such as colored, charcoal and drawing to meet the needs of drawing and learning.