LCN 4040XP EDA 689 TBSRT Heavy Duty Door Closer, Aluminum Powder Coat Finished, Cast Iron, Non-Handed, Extra Duty Arm Heavy duty, ANSI/BHMA grade 1 door closer certified for 10 million cycles Double lever arm can be installed for regular or top-of-jamb mount Forged steel main and forearms for high traffic settings Non-handed arm permits installation on doors with hinges on right or left side Aluminum powder coat finish helps provide resistance to corrosion