RCBS MATCHMASTER TRIMMER 3-WAY CUTTER HEADS Designed for the RCBS MatchMaster Precision Case Trimmer, these 3-Way Cutter Heads come set up and ready for the caliber of your choice. Trim, deburr, and chamfer with adjustable carbide blades and the included pilot. Machined to the highest standards from 416 stainless steel and custom finished for durability. Note: Not for use in other RCBS trimmers, such as the Trim Pro series. Mfg: Rcbs