Manufacturer LCN Model 6035-BUMPER-AL Application Interior/Exterior mounted in 1 3/4″ x 4″ frame Size ANSI Size 5 Mounting Overhead Concealed Hand Non-Handed Door Thickness 1-3/4 (44 mm) minimum. U.L. Listed UL listed for self closing doors, non hold-open. ANSI/BHMA Tested and certified under ANSI Standard A156.4. Warranty 2 Year Warranty Weight 18.0000