Use these rounded faced carving wheels for applications requiring curved edges. They come in 3 different widths – 1/4″, 1/2″ and 1″ for ease of use in narrow grooves. You may need extra spacers to mount your carvers. Hub width (thickness) for 4″ dia. is 1-1/4″; for 6″ is 1″ and for 8″ is 1-1/2″.