Installation diagrams and track charts are inset with a cut amount of 0.2 inch (5 mm), door thickness 0.8 inch (20 mm), side plate thickness 0.8 inch (20 mm). With catch. Compatible cover capacity: 0.4 - 0.6 inches (10 - 14 mm) (when cut amount 0.2 inches (5 mm)); Cup diameter: 1.4 inches (35 mm); Excavation depth: 0.4 - 0.8 inches (11 mm); Recommended door thickness: 0.6 - 0.8 inches (15 - 20 mm).This smoothness is more efficient than the more you install it. Door position can be adjusted with one screwdriver and one hand3-dimensional positions can be adjusted from front and back, up, left and right. 3-dimensional adjustment of the door.(Front and Rear + 1.5m, -2.5mm, Top + Bottom ± 2.5mm, Cover [Left & Right] + 0mm, -4mm)