Ladies of Letterpress Homepage › Forums › Design Side › Letterpress blocks versus print blocks Letterpress blocks versus print blocks Viewing 1 post (of 1 total) Author Posts Kathryn HunterParticipant @kathrynhunter 15 years ago I would think they are the same thing. Just make sure they are .918″ high and made of some good metal, like, magnesium, copper, or lead. They should be mounted on wood or metal. Ebay is a great source for them. Author Posts Viewing 1 post (of 1 total) Log in to reply Log In Username: Password: Keep me signed in Log In You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In