Door Closer with Hydraulic Dampening, Heavy-Duty, Matte Black, for Home Use Product parameter Product model: BJ-468 (no positioning model) Material: cast aluminum Installation hole distance: 50*40mm Product weight: 2.5kg Product load: 40-140kg Suitable for door width: 800-1200mm Adjustment interval: 2 sections Whether the door closer can be adjusted in strength: Adjustable strength Closing speed: adjustable within the range of 100-180 degrees Locking speed: adjustable within the range of 0-15 degrees Scope of application: fire doors, apartment doors, hotel suites, family doors, etc. The product is suitable for the environment of minus -50 degrees, high temperature +50 degrees, suitable for indoor and outdoor, and the sun and rain will not affect the appearance.