Cable Cutter easily cuts armored cable up to 3/8-Inch (9.5 mm) diameter: BX, AC, MC, MCAP and Greenfield, with a couple of turns of the handleSharp cutting blade eliminates burrsDepth of cut adjusts between standard MC and reduced diameter MC to prevent cable nicksComes with one blade stored in handle for convenienceHolds up to six replacement blades in handleUse with Klein Tools replacement blade Cat. No. 53726SEN