Standard 4010 Series Closer Is Shipped With Regular Arm, Standard Plastic Cover, And Self Reaming And Tapping Screws Non-Sized Cylinder (4011) Adjustable For Interior Doors To 4’6” And Exterior Doors To 3’6” Closer Mounts Hinge Side, Right Swinging Door 4011 Cylinder Meets ADA Requirements Standard Aluminum Powder Coat Finish