The Treeline Plastic Desktop Sharpener with Clamp features a user-friendly hand-crank mechanism and a movable carriage system engineered for smooth, effortless mechanical pencil sharpening. The lightweight yet durable plastic frame includes a built-in table clamp that securely anchors the unit to your desk for maximum stability. Complete with an easy clip-off shavings drawer, it serves as a tidy, budget-friendly choice for busy classrooms and home offices.