The Sinclair Piloted Flash Hole Deburring Tool will work on 22 caliber through 45 caliber using the stainless steel Neck Pilots. This tool indexes off of the case mouth (trim length) to determine the correct depth of cut.Features:Tool steel cutter for clean cutsLarge comfortable Sinclair Handle with stainless steel insertChange calibers by switching Sinclair stainless steel pilotsGreat for use under powderTool sold without pilots, order pilots separately by specific caliber here.These pilots work on our flash hole tool and our Case Neck Sorting Tool. Our pilots are precision machined from stainless steel on CNC turning centers to properly fit new, unfired case necks. Avai Mfg: Sinclair International