【Product Features】 Rv Entry Door Friction Hinge Kit Can Effectively Support The Door To Ensure That The Door Remains Stable Without Shaking Or Deformation When Opening And Closing.【Compatibility】 The Friction Hinge Is Compatible With All Lippert Entrance Doors And Challenger Door Series 450, 805, 950, 975, And 3000 Compatibility.【Higher Quality】 Made Of Wear-Resistant And Corrosion-Resistant Materials, It Is Able To Withstand Prolonged Use And Harsh Environmental Conditions And Has a Long Service Life. The Hinges Are Designed To Allow The Doors To Operate Smoothly When Opening And Closing, Allowing The User To Open And Close The Doors With Ease.【Easy Maintenance 】 The Hinge's Structure Is Well-Designed And Relatively Easy To Maintain, Allowing The User To Clean, Lubricate And Replace The Hinge With Ease.【After-Sales】If You Have Any Questions About The Product, Or Have Any Questions After Receiving The Product, Please Be Sure To Contact Us First! We Will Try Our Best To Solve The Problem For You!