This replacement pad is compatible with the Trodat 46085 and 4912 Security self-inking stamp. This pad features 11 ink color options to pick from to make the best impressions. The water-based ink that it uses is great for use on all your home and office documents and papers. It can even be re-inked with water-based ink for continued use. Not recommended for glossy and non-porous surfaces. Select your ink color and then click the add to cart button!