invisible hinge

1. Automatic stop function when open beyond 85 degrees with closing and locking speed control; 2. Automatic closing from 170 degrees with adjustable closing and locking speed; 3. Keep the children away from dangerous when the door close suddenly; 4. Pretect your lock&door won't be demage when the door close strongly, 5. Good looking than other door closer; 6. Speed adjustment; 7. Force adjustment 8. Small packing save 2/3 logistic and warehouse storge fee; 9. Easy installtion-1/3 installation charge compare with conceal door closer; 10. Can reset the function when you need second installation; 11. Can be split-the only one manufacture have this function.

Hydraulic Hinge Invisible Hinge Fully concealed from either side of the door when the hinge is closed Opens 180 degrees in one direction No adjustment needed after installation as recommended by manufacturer No external pinch point Non-removable riveted hinge pin for added security