Type A Compatible Door Thickness: 0.8 - 7.5 / 8 - 12
Type B Compatible Door Thickness: 12.5 - 18.5 / 19 - 22. Type A Usable Screw: Pan Machine Screw with Cross Hole M5 12/Pan Machine Screw with Cross Hole M5 18. Type B Usable Screw: Pan Machine Screw with Cross Hole M5 12/Pan Small Screw with Cross Hole M5 18