Surface screw-in belt winder: the operation is simple and convenient, it attaches to the entrance of the shutter belt and the shutter can be pulled without much effort. Belt guide with brush Reduces friction between the belt and the aluminum alloy guide rail, prevents the belt from lint, cleans dust, prevents pests and the belt has a longer service life. A belt winder for roller shutter belts with a belt width of 14 mm. The belt winder is suitable for surface mounting and impresses with its long service life. After screwing on, the belt roller can be rotated 180°. Simply attach the screw-on roller shutter to the window frame or wall (surface mounting). Installation instructions: Close the roller shutter completely. Remove the old belt winder housing and remove the old belt. Mount the new belt winder on the wall or window frame. Pull the belt from the belt winder. Open the belt winder and attach the roller shutter belt to the spring drum. Carefully loosen the lock on the spring drum and let the roller shutter belt slowly rewind. Close the belt winder. Dimensions: 23mm x 172.5mm x 125mm 14mm x 5m strap With 5m belt, 5m mini belt (14mm) in gray color is already rolled up and pre-tensioned, with hinge system. ABS housing, designed for roller shutter belts with a width of 14mm. Size: roller shutter Belt winder: 172.5*125*23 mm 14 mm * 5 m strap. Included: 1*belt winder with 5 m belt