Manufacturer LCN Model 2011-BUMPER-LH Application Interior/exterior mounted in 4″ x 4″ frame Size ANSI Size 1 Mounting Overhead Concealed Hand Left Hand – LH Door Thickness 1 3/4 (44 mm) minimum U.L. Listed UL & cUL listed for self-closing doors without hold open ANSI/BHMA ANSI Standard A156.4, grade 1 Warranty 10 Years Weight 13.0000