US Lock U014860 1740 Size: 1 to 4 Barrier Free Duronotic Door Closer Durondic Finish

For Barrier Free, Back Check, and power adjustable. Adopting top quality Aluminum alloy raw material, under the advanced technology of Die-Casting. High-tensile Spring, oil- tempered steel, supply enough power to close the door. Each model could be installed by Top Jamb, Standard, or Parallel arm installation by parallel arm bracket. Streamline/adjustable Heavy-duty Supplied with parallel arm bracket Surface applied closer with rack and pinion mechanism Fully adjustable closer power size: 1 to 4 4 separate valves independently adjusts sweep