Window and Door Replacement Hardware The CRL83 Window and Door Replacement Hardware Catalog is the fifth in our series of six master catalogs, containing 688 full color pages of window and door hardware products, many of which are manufactured by CRL. It is an excellent resource for the window and door industry and glaziers worldwide. CRL83 features CRL’s extensive selection of window screen fabrication supplies, screen door kits, storm window and door components, sliding glass door and window hardware, operators for casement and awning type windows, window and door locking hardware, door closers and commercial door hardware, insulating glass supplies, plus a diverse selection of sealants, fasteners, tools and cleaners. Call your CRL Sales and Service Professional or our Customer Service Department today for information about receiving this new catalog. Click on Contact Us above to find the number in your area.