information on specifications, visit the VT Industries link at http://www.vtindustries.com HMD offers a complete line of locksets, door closers, exit devices, cylinders and access control...Hollow Metal Door Company Hollow Metal Door Company offers a complete line of Metal Doors, Wood Doors, Metal Frames, Stainless Steel Doors & Frames, and Architectural hardware... from Assa Abloy, a company that specializes in the "total opening." We also offer Fiberglass Doors & Frames for when the need presents itself as well as any commercial hardware...