1. The pulley is made of copper + POM wheel, and the screw is made of stainless steel, which is corrosion-resistant, rust-proof and has good comprehensive performance.
2. The pulley has strong bearing capacity and good stability; the friction coefficient is small and the mute effect is good.
3. Easy to install, often used for bathroom glass sliding door pulleys/rails.
Roller wheel diameter:27mm Comes with screws, suitable for 4-6mm thick shower doors. Roller wheel inner hole: 4mm, fixed with M4 screws. Roller wheel thickness: 5.8mm,
Package included: 4 pcs Shower Door Rollers Runners Wheels

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