DEB0 and DEB3 deburring tools feature a long-lasting, hardened tool steel, deburring blade. Tools deburr aluminum, copper and steel tubing. Pencil-sized DEB0 has a slim, aluminum handle and handy pocket clip. Blade is permanently attached. DEB3 has a plastic body with a mechanism to release the installed blade. There are two spare blades stored in its handle, giving this tool extra value. DEB3 has a thick handle which can lessen hand fatigue.