An upgrade on the original Helix desktop pencil sharpener, known for its strong, robust metal build to achieve consistent and reliable pencil sharpening. New features include the ability to sharpen both standard and jumbo/maxi sized pencils and a broken lead release system. With the same ability to select 5 different sharpness settings, which makes the product ideal for use in the office, classroom or art studio. The Unit measures 120mm x 70mm x 70mm and is supplied with a metal desk clamp. Helix was founded 130 years ago in the Midlands, England with a view to offer customers high quality, sturdy and durable stationery to use every day in school, at home or in work. Today Helix's product range may have grown from where it all started 130 years ago but Helix still has the love and passion for stationery that it always had, as well as the desire to offer people the best of British design and function in their everyday stationery use.ONLY SUITABLE FOR GRAPHITE PENCILS