Chubbsafes Zeta - Eurograde 0 and Eurograde 1 high security safe at a low price - The Chubbsafes Zeta offers a lightweight safe with insurance tested and certified security to EN 1143-1 for protecting cash up to the value of £6000 and £10,000 or up to £60,000 or £100,000 of valuables such as jewellery. Select from 5 sizes with options for highly secure key or digital electronic locking.