Wanna buy a practical Pulley Roller? Here comes our Pulley Roller for you to choose. Simple structure design helps make it convenient to use. Made of sturdy POM material, groove wheel is durable and for you to use. Features -Color:Multi -Material:POM -Size:12.00X12.00X2.00cm/4.72X4.72X0.79in -Center hole diameter:14.5mm -Groove depth:7mm - You can apply it to sliding doors, track doors and other furniture to easily replace old accessories. - Efficient and durable, heavy-duty track wheels can apply to your daily life for your convenience. - The pulley with better performance, good toughness, wear resistance and stable structure. - Suitable for doors, windows, drawers, tracks and other applications. Simple and stylish appearance, beautiful and practical. - With fine workmanship, durable and sturdy, not easy to wear or tear, you deserve to have one. Package list: 1 x pair of Pulley Wheels