Klein Tools 76012B Nibbler Tool Replacement Blade Replacement blade only For Klein Cat. No. 76011B Nibbler Tool (sold separately) Cuts: Up to 18-Gauge soft sheet metal, soft copper and aluminum up to 1/16-Inch, and tubing from a 1-Inch I.D. Weight: 0.8-Ounce. Safety warnings: Always wear approved eye protection; Never use on or near live electrical circuits