Double Pencil Sharpener With Deposit And Battery Operated Derwent There's nothing worse than a blunt pencil! Whether you are looking for a simple manual pencil sharpener or a more sophisticated one with batteries: we are sure we have what you need! Sharpens both jumbo (9-12mm) and standard (6-8mm) pencils Covered sharpening holes for safety Broken End Remover Compact size High-quality, durable blades Transparent chip container with easy-to-remove lid Works with 4 AA batteries not included Alkaline batteries are recommended Do not use rechargeable batteries. Brand: Derwent.