Durable aluminum alloy construction Made from aluminum alloy for long-lasting strength and resistance to rust and wear. Built to withstand repeated use on job sites or in workshops. Adjustable height up to 55 mm Fine-tune the jig quickly to fit different cabinet and door heights. The 55 mm adjustment range lets you adapt to a variety of frame depths and installation requirements without swapping tools. Improves accuracy and saves time Holds workpieces securely and maintains consistent alignment so doors and cabinets hang squarely. Reduces trial-and-error, minimizes rework, and speeds up installation for both single projects and production runs. Broad compatibility and versatile use Designed for installing cabinets, wardrobe doors, flat bottom doors, and similar fittings. Works with common cabinet types and door styles used in kitchens, closets, and built-ins. Professional results for DIYers and contractors Simple to set and use, providing repeatable positioning whether you are a homeowner tackling a renovation or a tradesperson on a commercial job. Practical applications Kitchen cabinet installation: set the jig to the correct height to align upper cabinets and maintain uniform gaps across multiple units. Wardrobe or closet door fitting: use the adjustable height to align hinged or sliding wardrobe doors for smooth operation and even reveal. Flat bottom door setup: stabilize and position flat bottom doors during hinge or track installation to ensure level operation and reduce adjustments later. What you get A sturdy, corrosion-resistant aluminum alloy jig with up to 55 mm of height adjustment, suitable for a wide range of cabinet and door installation tasks. Why choose this jig Durable material and wear resistance for long service life Flexible adjustment to handle many common installation scenarios Helps deliver accurate, repeatable results and cuts installation time without sacrificing quality