DescriptionThese are some door pulleys made from sturdy materials, durable for long time to use. Easy to install, the smooth edges design ensures that the rollers sit on the rails without easily scratching the door. Can be widely for sliding door, fridge drawer, window, bathroom doors and more places to use.Features-Color:As Shown -Material:Plastic, metal -Size:3.00X2.00X2.00cm/1.18X0.79X0.79in - Widely applied for sliding doors, fridge drawer, these window pulleys are with excellent weighing capacity.- Small friction coefficient, vibration and the noise, pressure resistance for your better using of these pulleys with screws.- Sturdy material makes these door wheel rollers very strong and durable, not easy to corrode, help the door to keep balance.- Not easy to slide out, the sliding door roller is proper for repeated use, safe to your door.- Smooth sliding, not easy to stuck, the bearing pulleys can offer you satisfying using feeling.