The L & C Hardtmuth Eraser is Koh-i-Noor's classic eraser design. Made with the same materials that erasers were originally made with, the L & C Hardtmuth Eraser is composed of natural rubber and pumice. If you make big mistakes, this one's for you. 

Measures 2" x 1 1/8" x 1/2"  

Made in the Czech Republic