LCN 4040XP CLOSER SPRING CUSH ARM ALUMINUM

The LCN 4040 door closer has a double lever, forged steel arm, has an aluminum powder coated finish, and is for use in heavy duty applications on interior or exterior doors. The hydraulic cylinder is made of cast iron, has a forged steel piston and double heat treated steel pinion for resistance to wear. Features wide bearings for increased load capacity, and is certified for 10 million cycles.|Extra Duty Strength|For left-handed and right-handed doors|Multi-sized and adjustable to sizes 1 - 4|Aluminum construction