Dewalt Reader Frames. These Light Weight Bi-Focal Reader frames come in powers of +1.0, +1.5, +2.0, +2.5, +3.0. They are available in black and use the Breakaway Head Strap, which can be purchased separately. They come pre-drilled and ready to mount your Loupe or Light Clip. See the instructional videos tab for step by step instructions on changing your frame.