Gaab, Grade 1 Cast Iron Body Door Closer, Top Mount, Full cover, Aluminum Painted Save more than 400% compared to LCN 4040XP Heavy duty Grade 1 door closer, for commercial doors UL Certificate 10C, 180 min fire resistance ANSI GRADE 1, two million cycles in endurance ADA Approved Max Width of Door: 55’’ Max Weight of Door: 30 lbs to 330 lbs Precise cast iron body & forged steel arm, hold open arm optional Adjustable closing & latching speed Non Handed Adjustable back-check, delay action optional – precision heavy duty rack , Piston & pinion gear and needle bearing Decorative plastic cover included ADA approved, barrier Free, lower opening resistance for the handicapped Included components: Standard Arm & Shoe. Which will allow a closer to be mounted in a regular, top jamb, or parallel arm application Similar to LCN 4040xp – Norton 9500 – Dorma 8900 – Hager 5100