Designed for sliding door, this sliding door roller allows sliding door to move smoothly. Made of metal material for long time and durable use. It has a simple design, but very practical in use, giving you a . Also can be a good present choice for your friends, they will like it. Features -Color:Multi -Material:Plastic, metal -Size:9.30X3.60X1.20cm/3.65X1.41X0.47in - This roller is usually used underneath sliding glass door, widely used in simple small size glass sliding door. - Adopt metal material, thickened roller, sturdy and durable to use. - Suitable for furniture hardware accessories, moving doors, glass sliding doors, aluminum doors and windows, shower pulleys and drawers and so on. - Stable and smooth operation, good mute effect, the window pulley is practical and durable for long time. - Outstanding workmanship, reasonable design, stable and practical, will bring you a . Package list: 4 x Rollers 4 x Small Door Rollers 12 x Screws