The Koh-I-Noor Toison d'Or Notebook Incremental Clutch Lead Holder with 2mm x 90mm Lead, Black, features a round profile with precision-made mechanical components and plastic knob. The comfortable, compact size holds 2mm x 90mm leads. The sharpener is built into the knob which simply screws and unscrews from the holder. The lead is moved by pressing the sharpener knob in any pencil position, which opens the clamp and the lead is slid out. Built-in metal clip. Koh-I-Noor - Bringing you the best in professional grade drawing and design.