High Quality: The Pulley Plates Of Our Products Are Made Of High Quality Stainless Steel Plates, Which Are Beautiful, Shiny, Durable, Safer And More Reliable. The Pulley Is Made Of The Best Brass Material, Strong And Durable, Not Easy To Rust, With Its Own Bearing, Stable And Quiet.Perfect Size: The Pulley Plate Is 7.4Cm Long, 3.7 Cm Wide, 0.2 Cm Thick, Pulley Diameter 3.3 Cm, Thickness 0.9 Cm, Very Suitable For Sliding Doors, Windows, Closets, Etc. Household Cabinets.Pulley Design: Adopt The Latest Concave Wheel Design. Each Activity Can Bring Its Own Cleaning Effect, Remove Dust, And Be More Durable.Easy To Install: Quick Assembly Knobs, The Upper Guide Wheel Adopts Copper Knobs, And The Retractable Upper Wheel Is Convenient For Cleaning. Door Leaf Assembly. Cylindrical Catheter, Horizontal Rotating Structure, Smooth Sliding, No Jamming.Usage Widely Used: Suitable For Sliding Doors Of Closets, Windows, Closets, Cabinets, Cabinets, Shoe Cabinets, Etc. It Is An Ideal Choice For Closets, Windows, Cabinets, Cupboards, Cupboards, Etc. Make Your Life More Convenient.