ZZLZX 2 Sets Roller Bracket Bead Chain Metal Control Head Curtain Lifting Manual Controller for 38mm Aperture Roller Shade Control Head with 3m Bead Chain for Indoor Window Use Plastic White

["Package Contents: You will receive 2 sets of roller blind bracket bead chain metal control heads; suitable for installation on two windows. Before installation, please confirm that your roller blind tube has a diameter of 38mm to avoid purchasing the wrong size.","High-Quality Materials: Made from high-strength plastic, this product is strong and durable. It features a smooth surface with high abrasion resistance, is easy to install, and is suitable for long-term use.","Installation: Snap the end caps and controller onto both ends of the roller tube, then secure the bracket to the window frame. Finally, slide the roller tube into the bracket.","The 3-meter-long pull cord easily accommodates even windows with high ceilings. It distributes force evenly when pulled, ensuring smooth and effortless operation. You can also trim the excess length to fit your window height.","Applications: Suitable for home and office roller shades, blackout curtains, and venetian blinds. Whether mounted on the top or side of the window frame, or recessed into the window track, it provides a stable and secure fit without requiring additional modifications."]