Koh-I-Noor Plastic sharpener a heavy duty, superior quality sharpener has a single hole that fits large (12mm) diameter pencils. Koh-I-Noor Hardtmuth was founded by Joseph Hardtmuth in 1790. Koh-I-Noor produced the first pencil leads by using a mixture of graphite and clay.

A colourful jumbo pencil sharpener designed for use with Koh-I-Noor Jumbo Magic Pencils.