General description 100% brand new and high quality sliding door rollers designed for smooth and silent operation. These rollers are ideal for use in furniture, cabinets, cupboards, and small doors. Technical specifications Material: Zinc alloy + nylon Features: Resistant to compression, smooth sliding, flexible operation Bearings: Built-in high bearings and metal bearings for balanced load Screw holes: Clear lines for easy installation Usage Suitable for sliding doors, cabinets, cupboards, and small furniture Insert the screw into the hole to fix the tongue