Superior Steel SB140 Replacement Blade for 14 and 16 gauge Shear Cutter replaces Kett KIT106 Replaces: DeWalt 448696-00(C), 9169-00(L), 91967-00(R) Hardness: 58-63 Rockwell Replaces: Kett KIT106 40-21(C), 60-22(L), 60-22(R) Material: Cr5MOV1