Diamond Tip 5" Stiff Card The unique angles of the 5" Diamond Tip fit tight spaces and corners of small window spaces, making it an essential tool for window film installations on French pane and automotive glass. Price: $3.55 Add to my order. To checkout you must fill select quantity and 'Add to Cart'. Your total will appear, and then you may complete your order by clicking the 'Go to Secure Checkout' button that will appear.