Simonswerk 3-Way Adjustable Concealed Hinges. 200 lbs/pr. Completely concealed for flush doors with wood, steel or aluminum frames. Opening angle up to 180 degrees, non-handed. Load cap refers to 2 hinges per door leaf. Maintenance free bearings. A8: For doors with claddings of up to 8mm (.315"). For 1-7/8" Door Min. Traffic White finish.