✅【U-Groove Design】U type groove pulley wheels design, smooth surface reduces friction. For long-lasting durability against heat, shock and corrosion.

✅【Durable and Heavy Duty】This pulley bearing is made of bearing steel, chrome plated for anti-rust treatment, shiny appearance and good anti-rust effect. Are durable, robust.

✅【Easy to Use】The outside of the wheel is made of engineering plastics material with good physical, mechanical and chemical properties, especially with excellent friction resistance. Installation is convenient. smoothness.

✅【Wide Applications】These U-Groove pulleys have a variety of uses in daily life. Mainly used for doors and windows cabinets, drawers, wire rolls and so on.

✅【Hard-wearing Pulley Wheels】This 4 Pack U-roove pulley with lower coefficient of friction, less vibration and noise to ensure a long service life.