M4 HSS Mastercut Gouges are made in Canada by Oneway Manufacturing with attention to detail. These tools are made of CPM M4 high speed steel to hold an edge up to 3 times longer than the tools made of M2 high speed steel. These Gouges are available in the following sizes: 3/8", 1/2 and 5/8 diameter deep fluted bowl gouges or in a 1/2 dia. shallow profile spindle gouge. Available unhandled only and are perfect to use with the Hosaluk Style Tool Handles. The user can also buy or make a wooden handle.