M-D Building Products 14175 Spline Tool (Plastic) Replacement Screen, Blue

M-D’s Spline Tool is used for installing screen into window and door frames. Use the tool to press the spline over the screen into the frame grove. The Spline Tool features two wheels, concave and convex, for simple and fast installation of aluminum and fiberglass screen. Use of the tool helps avoid tears in the screen during installation.