Koh-I-Noor Hardtmuth Extra Hard Eraser

The Koh-I-Noor Hardtmuth extra hard eraser is a specialized stationery tool designed primarily for correcting ink, pencil, and various drafting errors. Known for its historical precision, the brand is one of the world's oldest manufacturers of stationery products.

Originally founded in Vienna and later moving its operations to České Budějovice, the brand has maintained its manufacturing core in the Czech Republic for over two centuries. Today, it remains under the ownership of the Koh-I-Noor Hardtmuth group, a major global player in the writing and drawing materials industry.