Description: Material: The Window Roller Tools are made of sturdy pp and metal materials that ensure longevity and high performance.Easy to Use: Comfortably holding in the hand of this screen roller, the wheels turn smoothly to roll the screen and splines into the frame. The pointed hook tip can hook out old screen layers, aging fixed splines and stubborn grime in the grooves of the frame more easily.Feature: Practical screen tools help you get the jobs done better and faster, double-headed roller is suitable for many installation methods.Versatile Use: These tools are fit for installing nets on your doors or window, ensuring smooth operation of your doors/window.Application: Suitable for patio door screen, porch screen, garden screen, door screen, pool screen, etc, the screen window repair tools fit your demands. Specification: Material: PP Metal Size Chart: 20cmx11cmx3.8cm/7.87inchx4.33inchx1.50inch 20cmx3.5cm/7.87inchx1.38inch 17cm/6.69inch Package Includes: 1 SetWindow Roller Tool Note: Please allow slightly errors 1-2cm differences due to manual measurement.