Swsh Heavy Duty Sharpeners are robust, durable and optimised for your safety. This 7-12mm desktop sharpener is full of features that make it perfect for both the classroom and the office. Complete with a desk clamp to keep it in place, this sharpener can sharpen all types of pencils (even those with a triangular barrel!), can be adjusted for different pencil points, and benefits from large shavings container to ensure your workspace or classroom is kept clean. With self-feeding and auto-stop, this sharpener is ideal for use around children.