This sliding door pulley set is practical for those looking to upgrade their door hardware with a reliable and stylish solution. The gray-black finish provides a sleek and modern look, while the four-hole design ensures a strong and stable installation. Its quiet operation makes it an for spaces where noise control is important. Features -Color:Black -Material:Galvanized iron+Plastic -Size:7.40X2.30X2.30cm/2.91X0.90X0.90in -Silent function: the silent pulley ensures smooth and quiet door operation, enhancing your living environment - compatibility: suitable for both circular and vertical tracks, providing flexibility and safety in various scenarios -Modern design: the sleek and minimalist appearance complements any door style, adding a contemporary touch to your decor -Easy to install: includes screws and accessories for quick and secure installation, ensuring your doors remain stable and supported -Wide range of uses: practical for homes, offices, and commercial spaces, catering to diverse door installation and repair needs Package list: 2pcs x Pulley 8pcs x screw