Arguably one of the best hollowing systems on the market, it works on both dry and wet end grain. Its self clearing head means that all of the wasted is ejected away from the head, so it is not going to clog up, or impede vision. This is the shank, tools and cutter only, it is designed to be fitter with the sovereign handle, a shop made handle or fitted into a jig. Ideal for hollowing, angle the links around, and it can then undercut the lips of bowls and other vessels.
The shaft on this is 5/8".