Half overlay Hinge will hold door in closed position without secondary support Door thickness: 4~6 mm Door size: Max. W450 H700 (W17-3/4" H27-9/16") Door weight: Max. 4 kg/pair (8.8 lbs/pair)WARNING: This product can expose you to chromium, 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.