Refurbished Omation Letter Openers, Used Opex Omation Letter Openers, Used Neopost Letter Openers, Refurbished Pitney Bowes Letter Openers. We specialize in rebuilding Omation Letter Openers. Our Opex Omation trained technicians have years of experience on these machines. Are you looking for a model that is not listed? Call us, we can get it for you. Our rebuilt letter openers are excellent quality and come with a 60 day warranty.