Door damper unit for interior, swinging doors Grips door at final 15 and softly, self-closes doors more gently compared to other door closers, putting less stress on the hinges Heavy Duty: Holds up to 220 lbs doors (100 kg) Invisible design minimizes visibility of the hardware Recommended Door Specifications: Thickness: minimum 40 mm~60 mm (1-9/16"~2-3/8") Width: maximum 900 mm (35-7/16") Weight: 40~100 kg (88~220 lbs) Can be adjusted for door weight after installation. Counterplate position can be easily adjusted by removing cover and turning micro-adjustment screws Can be used with HES3D-E190 and HES3D-160 Includes screws and paper template for installation.WARNING: This product can expose you to acrylonitrile, butadiene, styrene, cadmium, chromium, lead, nickel, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65WARNINGs.ca.gov.