... temperatures; 2.Door openning angel up to 106° 3.90°Stop device or non-stop device is ... ° 8. Applicable for galss door 8-15mm,wooden door,iron door,aluminium door.9. 2 closing speed adjustable ... - Cycle tested: 1,500,000 times- Picture:Floor spring O rings:- Materials: high quality rubber- Original : ... Brass Adjust fittingPicture DX-800 floor spring door closer,floor spring hinge,floor spring in china