Fangrui Product Details Adjustable Width: This Wrench Enables You To Widen Gaps By Turning Left Or Narrow Them By Turning Right, Providing Precise Adjustments To Suit Door Types And Hinge Setups. Construction: Made From High-quality Steel, The Wrench Is Built To Last. Its Construction Can Withstand Regular Use Without Bending Or Breaking, Ensuring Long-term Reliability. Ideal For Specific Hinges: Specifically Designed For Use With Fire Doors, Cleanroom Doors, And Security Doors Equipped With Flag Hinges. It Ensures Proper Alignment And Functionality Of These Door Types. Easy Operation: The Ergonomic Design And Simple Operation Make Adjusting Door Hinges Straightforward, Even In Tight Spaces Or Challenging Installations. Tips: The Product May Be Updated Constantly ,due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Colour:photo Color Material:steel Applicability:19mm For 15mm-18mm Package Contents: 1x Hinges Adjusting Wrench Only The Above Package Content,