Pen Mill 6 Cutter Head Set Barrel trimming kit. It includes 7mm, 8mm, 3/8 inch and 10mm pilot shafts. Also includes a plastic case to store all the pieces. 6 Cutter head for a smoother cut. Designed to fit into a drill chuck.
“Not too happy with this accessory as the cutter is not very effective and needs a lot of pressure to cut. I have found that a small bench sanding disc is better to trim the ends.”
