Prime-Line PL 7804 Screen Frame Kit, 5/16 in. x 3/4 in. x 48 in., Aluminum, Mill Finish, Pack of 1 Kit Used to replace missing or damaged window screens This kit allows for the construction of one 48 inch x 48 inch window screen, or any smaller size using the components of this kit Frame material is in a mill finish with gray screen corners Aluminum frame, vinyl spline with plastic corners Four (4) "square-cut" plastic corners