Precise Hinge Adjustment Tool — 4-in-1 set for doors and cabinets Why you need it Quickly fixes misaligned doors and uneven gaps without removing the hinge or replacing hardware. Reduces noise, friction and wear by restoring correct door alignment. Saves time and money by allowing fast on-site adjustments instead of costly repairs or replacements. Key benefits Precise control: Each hinge key is designed for fine, accurate adjustment so doors and cabinets close smoothly and line up exactly. Fast and simple: Place the adjuster over the hinge pin and turn clockwise or counterclockwise to open or close the hinge gap. Adjustments can be made in seconds. Cost-effective: Repair doors and cabinets yourself to avoid unnecessary part replacements and service calls. Durable build: Each tool is formed from a single piece of high-strength steel and finished with a corrosion-resistant coating for long life. Comfortable use: Ergonomic rubber handle reduces hand fatigue during repeated adjustments. Features and specifications 4 sizes included: compatible with 14 mm, 19 mm, 21 mm and 25 mm hinge pins. Function: precision hinge gap adjustment (increases or decreases hinge spacing as needed). Material: single-piece high-strength steel construction with corrosion-resistant surface treatment. Ergonomic rubber grip for comfortable operation. How it works (simple steps) 1. Fit the correct-size key over the hinge pin. 2. Turn the key clockwise or counterclockwise to decrease or increase the hinge gap. 3. Check door alignment and repeat until the door closes smoothly. Practical applications / use scenarios Kitchen cabinet alignment: Quickly correct a door that rubs or leaves uneven gaps after repeated use or settling. Entrance or heavy doors: Adjust larger hinges (21 mm and 25 mm) to stop sagging or rubbing on frames without replacing the hinge. Retail or office installations: Realign display cabinets, locker doors or storage units on-site to keep fixtures functional and professional-looking. What makes it stand out Broad compatibility with four common hinge sizes covers small cabinet doors through robust entry doors. Single-piece steel construction and corrosion protection deliver reliable performance in frequent-use environments. Ergonomic design ensures repeatable, comfortable adjustments for both DIYers and professional repair technicians. Included in the set Four hinge adjustment keys: 14 mm, 19 mm, 21 mm, 25 mm Each key: single-piece high-strength steel construction, corrosion-resistant finish, rubber handle Ideal for Home repair kits, professional toolboxes, property maintenance, carpentry and retail maintenance teams Note Use the size that matches the hinge pin diameter for secure engagement and accurate adjustment.