Manufacturer LCN Model 5011-REG-LH-AL Application Interior/exterior mounted in 4″x4″ frame Size Range 1 thru 4 for A.D.A. Accessibility Mounting Overhead Concealed Hand Left Hand – LH U.L. Listed UL listed with regular arms for self-closing doors. ANSI/BHMA Tested and certified under ANSI Standard A156.4. Warranty 10 Years Weight 13.0000