Closer, Door (17-5/8 in high), Economic Heavy-Duty Door Closer, Height: 17-5/8In Overall, 448 Mm Overall, Includes: Spring Cartridge, Roller Guide, Rod, Plating: Zinc-Plated Bright, Type: Adjustable Spring Tension, For Use On Left- Or Right-Hand Doors, User-Friendly Spring-Loaded Winding Pawl, Automatically Disengages, Wide Rod Guide Allows Rod To Float Freely As Door, Moves Up And Down, Steel Retaining Pin And Fully Captured Flange, Prevent Arm From Lifting Off Door, Spring-Loaded Pin Automatically Engages Gear And, Shaft,