Fangrui Product Details [user Friendly]the Toilet Seat Hinge Boasts A Straightforward Installation Process. Simply Place The Toilet Seat On A Level And Use A Screwdriver To Remove The Old Hinge. [versatile Application]the Toilet Seat Hinges Are Compatible With The Majority Of Toilets, Making Installation Quick. You Can Effortlessly Install Them Without Worrying About Compatibility Issues. [comprehensive Accessories]come With White Washers And Adjustable Knobs, Providing All The Necessary Tools For A Secure Installation Without The Need For Additional Purchases. [premium Material]crafted From Quality Stainless Steel And Plastic, The Toilet Seat Fittings Are Designed To Withstand Oxidation .this Ensures They Are And Long-lasting. [silent Operation]enjoy A Smooth And Comfortable Toilet Seat Experience With The Hinges Fitting That A Super Soft And Noise-free Closing Mechanism. Please Note: The Physical Slightly Color Difference Or Difference, Does Not Affect The Use, Please Do Not Mind, Thank You! Material: Stainless Steel