Compatibility: Engineered for heavy-duty commercial door hinges (both .134 and .180 gauge). Perfect for offices, schools, hospitals, museums, and commercial properties. Important: Not intended for use with residential interior or exterior hinges. Effortless Adjustment: Enjoy easy tweaking with the 13 inches leverage, allowing seamless hinge adjustments without the hassle. Durable Construction: Welded one-piece steel construction guarantees increased strength and long-lasting durability, eliminating weak points for robust performance. Instantly solve sagging or misaligned doors, ensuring smooth operation in seconds.