Right-To-Know Compliance Centers Make important hazardous chemical information easily accessible for your employees with these highly visible RTK Centers. Standard RTK Center and Bilingual RTK Center come complete with 1-1/2" MSDS Binder and 36" attached chain. English Center includes ten RTK Training Booklets, all written in English. Bilingual RTK Center includes five English Training Booklets and five Spanish Training Booklets. Booklets also sold separately. Centers measure 30"H x 24"W x 4-1/2"D. RTK Center with wire rack is available for tight or limited access locations. Wire rack holds 1-1/2" Material Safety Data Sheet Binder. Binders sold separately. Center with wire rack measures 20"H x 14"W x 4-1/2"D.