These width double wheel pulleys are made of stainless steel material, resistant to rust and corrosion. The width double wheel pulley fit for most sliding door and window. These width double wheel pulley is sturdy and excellent, easy to and remove, good working performance. Features - Color: As shown. - Material: Stainless steel. - Size: 6.40X1.60X1.42cm/2.52X0.63X0.56inch. - Due to flexibility of the width double wheel pulley, the sliding door and window can be easily and smoothly moved. - The width double wheel pulley can easily meet your daily using needs, can be used to replace the old one. - Stainless steel material and fine workmanship can ensure its durability and practicability. - As essential accessory of the sash, it can help you stably fix the sash and easily move, easy and reliable. - It is simple , but it's practical to use, which will give you fantastic use experience. Package list: 4 x Width Double Wheel Pulleys