The Treeline Metal Desktop Sharpener with Clamp delivers heavy-duty rotary sharpening wrapped in a rugged, solid-metal structural housing built for high-volume commercial workloads. Its internal carbon-steel cutter handles diverse writing and colored art media seamlessly, shaping perfect break-resistant points every time. Equipped with a durable steel desk-clamping kit and a high-capacity transparent reservoir, this durable mechanical staple is a favorite for schools and technical studios.