The twin hole pencil sharpener from Derwent is designed as an easy way to achieve the perfect point with less mess. The twin sharpener with reservoir is ideal for sharpening both large and small diameter pencils and the shavings are neatly caught in the see through container. Perfect for when you are out and about the lid has a lockable cap to protect the blades and keep shavings inside. The two holes are capable of sharpening 7mm and 8mm diameter pencils. - Derwent - Plastic Reservois Collects Shavings - Double Hole - Lockable cap