These plastic lift tabs from Prime-Line are designed to install in the spline channels and aid in the removal of window screens. They are made of clear, injected plastic, providing durability and long lasting use for your window screens. This particular model has a span of 1/4 inch. Designed to install in the channel and aid in removal of window screenInjected plastic pull tabsWhite1/4" Span X 15/16" W X 1-1/16" H6 count