General description This sliding door roller track kit is designed to help maintain balance, prevent swinging, and ensure smooth sliding of doors. It is ideal for assembling your own industrial furniture and is capable of supporting relatively heavy doors with just two rollers, which operate effectively despite the weight. Technical specifications Material: Zinc alloy and nylon Diameter: 70mm Width: 34mm Inner hole: 15mm Dimensions: 34x70x15mm Installation Easy to install and use Usage Helps move the door to save space Decorates and beautifies your home Maintains balance and prevents swinging Ensures smooth sliding with a good mute effect U-shaped groove design reduces friction and increases longevity Widely used in doors and windows Other information Note: Measurements are manual; allow 1-3cm error Color may vary due to lighting and display differences