These are some door pulleys. Made of reliable materials, safe and durable. The smooth edges design ensures that the rollers sit on the rails without easily scratching the door. Can be widely for cupboard, barn doors, kitchen doors, bathroom doors and more places to use. Features -Color:Silver -Material:Iron -Size:4.30X0.90X0.60cm/1.69X0.35X0.24in -Wheel diameter:10mm -Hole diameter:4mm -Hole distance diameter:30mm -Reliable Material: Made of reliable material, this cabinet door roller has smooth surface to reduce friction -Wide Application: Proper for furniture hardwares accessories, moving doors, glass sliding doors, aluminum doors and windows, shower pulleys and drawers and so on -Excellent Performance: This sliding door pulley can be well adapted to the home style, not easy to wear, with good working performance to serve you well -Stable and Smooth: Stable and smooth operation, good mute effect, the window pulley is practical and durable for long time -Good Texture: It will not scratch your door or cabinet, patio door roller can offer you satisfying using feeling Package list: 20 x Pulley Wheels