Model Number: FL-850B-HB Brand Name: DNW Key Specifications/Special Features: Adjustable closing speed 4-15seconds.Bottom door closer + top buffer = one set90° hold-open, no-hold open is also availableSelf-closing below 90°, and close precisely at 0°Easy concealed installation(better aesthetics and no need for cement hole on the ground).For indoor useMin. doorthickness 35mmMax. door width 900mmMax.door weight 80kgs/ setTwo functions in one product, no need to use door hingeNo worry for oil leakage problemIn-house tested 300,000 cycles
Adjustable bottom plate is also available
International patented