This appliance lifter features a 100% steel, spring-controlled pantograph mechanism to lift any appliance from inside a cabinet to working height! Automatically locks in the raised position and automatically lowers when the lock is released. 0.125 inch thick steel. White, powder coated finish. Usable height: 15-1/2 (inside cabinet) Min cabinet depth: 19" (front-to-back interior) Max shelf depth: 16" (no maximum on width) Maximum recommended load: 44 lbs.