Feature: Sliding Roller wheel for wardrobe door & cabinet Material: steel+POM (nylon,PU)+bearing Roller adjustable: 34-44mm Roller color: black/ white(customizing) Max loading capacity:60 kgs Plating: zinc,nickel,chrome ( customizing) Work smoothly, without noise ,30000-50000 times Applicability: sliding aluminum door---glass & wood door Certificate:CE,SGS Package: 1set/polybag, 100sets/carton OEM provided