Height Controlled Installation Assistant Adjustable limit stops enable precise cabinet door height adjustments, enhancing installation efficiency. Stability on Any Surface Enlarged base design provides stability on the ground, effectively minimizing slipping during installations. UserFriendly Ergonomic Knob Flowershaped antislip knob is designed for comfort and ease of use, reducing hand strain during operation. OneHand Operation Capability Engineered for singlehanded operation, allowing users to achieve precise leveling effortlessly. Use scenarios Aligning wall and base cabinet doors during kitchen or bathroom remodels to ensure uniform height and a clean look. Leveling wall cabinets or floating shelves in living spaces or home offices for accurate alignment. DIY furniture assembly or closet system installation where precise leveling and positioning are required.