Advantage of Lancher Hinge:
Easy installation, Anybody able to complete the installation with a screwdriver, simple and No drills required.
Non-Mortise Concealed 90 Degree Spring Hinge:
Made of Solid steel, durable construction, Zinc Plated.
Reinforced stainless steel screws provided.
Note:
Not Designed for big heavy doors, Will not work for door over 20 lbs due to the length of screws and designe of this hinge.