Choose this window screen repair kit is choosing professional; it includes all the tools to install a screen window easily: window screen mesh, Hook- old spine mover Spline with two sizes:0.157inch and 0.14inch Steel Bearing Roller and Nylon Bearing Roller Utility knife and measuring tape The size of 59 inch x 100inch is enough to replace multiple screen or screen doors; The mesh size is standard 18X16, ensures light transmission, and keeps insects and mosquitoes out of ;The mesh screen is thick and , providing a long use life. The spline has two diameters that suit most screen : 1. Diameter: 0.14inch and 0.157inch 2. The High tensile strength can cause cyclic action 3. The hollow spline supplies enough pressure to fix the screen and is easy to into the groove. There are two pieces of Bearing Roller: Metal material. All have wooden handles and convex and concave roller wheels; the wheels turn smoothly to roll the screen and spline into the frame.So don't worry about cutting the screen. It is suitable for screen , sliding screen doors, patio screens, garden screens, pool screens, storm doors, porch screens, terrace screens, RV screens, entry doors, patio doors, etc. This screen window tool kit can be reusable; It's an essential tool kit for the home. window screens for house Colour:As Shown Material:Metal Package Contents: 1set x window screen replacement tool Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.