US Lock U014840 1700 Size: 3 without Backcheck Duronotic Door Closer Durondic Finish

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. Heavy-duty Rack and pinion mechanism 2 separate valves independently adjusts sweep and latch speeds Commercial door WARNING: This product can expose you to chemicals including (supplier fill in one of chemical name), which is known to the State of California t