Used for sandwich doors, so light construction. After 3 years, the first door began to "hang". The reason is great abrasion, the hinges hang through, the door grinds in the frame. By turning the hinges further use possible. After a total of 6 years breakage of the first hinge due to wear. Conclusion Price ok, but not good quality, if the doors, such as the toilet door, often uses. Lubricate tip frequently, extends the life