Features 1、STANDARD SIZE: Includes 2 sets of sliding door rollers with standard diameters and mounting hole diameters, for easy installation and replacement. 2、METAL STRUCTURE: The stainless steel carrier is used to ensure strong support, and the brass rollers are wear resistant and durable, stable and reliable. 3、GOOD PERFORMANCE: The roller has strong bearing capacity, good stability, small friction coefficient and good mute effect, for a wide range of applications. 4、EASY TO INSTALL: Including pulley mount and support mount, the sliding door roller has a simple structure, which is efficient and convenient in installation. 5、WIDE APPLICATION: This metal door roller kit is widely used in sliding doors, cabinets, cupboards, wardrobes, etc., good replacement accessory for furniture. Specification Item Type: Sliding Door Roller Material: Stainless Steel, Brass Roller Outer Diameter: Approx. 30mm / 1.2in Base Length: Approx. 74mm / 2.9in Base Thickness: Approx. 2mm / 0.08in Mounting Hole Diameter: Approx. 5mm / 0.2in Package List 2 x Roller Mounts 2 x Support Mounts