Premium Material: The Door Hinge Adjustment Tool is made from sturdy steel, high strength, ensuring wear resistance, durability, and long term use Hinges Gap Adjusting Wrench: The hinge adjustment tool kit is professionally manufactured, can accurately and effectively adjust hinge gap, reduce noise and wear, ensuring smooth working 4 In 1 Hinge Adjustment Tools: The Hinge Bending Wrench Kit includes 4 different sizes wrench heads, the inner diameters are 14mm, 19mm, 21mm and 25mm, can be replaced as needed, allowing you to adjust a wide range of hinges from small cabinet doors to heavy duty entry doors, meeting the different needs of residential and commercial Comfortable Handle: Ergonomic design handle, comfortable grip, making your work more efficient Widely Used: The Hinge Adjustment Wrench Tool is very practical and professional, easy to use; Simple and quick solution to common door hinge problems; This wrench is suitable for adjusting various hinges and is widely used in home, office, commercial and industrial environments to meet various needs and improve work efficiency Size Chart: Handle length 33.5cm/13.19inch, inner diameters of 4 different sizes replaceable heads: 14mm, 19mm, 21mm, 25mm Package Includes: 1 Wrench Handle, 4 Replacement Heads Note: Please allow slightly errors 1-2cm differences due to manual measurement.