Tapered shafts can be used with the supplied handle or may be chucked into a drill (Smallest reamer not recommended for use in portable drill, use only with supplied handle.) Reamer kit comes complete with 4 tapered reamers, handle, replacement sandpaper & cloth storage bag. 4 tapered shafts cover nearly every possible handle reaming chore facing the modern rod builder. Can be purchased as a kit (the most economical way) or individually. A product every serious rod builder needs on his or her bench. Reamer's cutting paper can easily be replaced to enhance reaming performance.