Pully U Roller 0840UU 4 Pieces U Pulley Roller 8 mm Black for Windows Doors 8 x 40 x 2 cm

Material Our 0840UU groove pulley is made of metal, plastic, sturdy, high strength and wear resistant for long service life Smooth operation: U-groove pulleys uses internal grease for smooth operation and good level of silence. Say goodbye to noise and enjoy a smooth sliding experience when using windows 【Anti-Friction Design】This grooved pulley is with U-groove and smooth surface that effectively reduce friction 4 PCS Pulley Set: Each purchase includes a set of 4 U-groove roller guides for a variety of projects. Suitable for personal and professional use Wide Applications The pulley roller guide wheel is suitable for tracking and driving mechanical equipment for windows and doors. This is an important accessory that improves the functionality of the operation