The term "heavy-duty" is somewhat difficult to pin down in regards to shredders. Few commercial or personal shredders actually feature this term, instead referring to their own direct capabilities.

Craftsman Heavy-Duty Reverse Squeeze Stapler. Now 44% Off. $26 $15 at Amazon. Craftsman 44-Piece Ratcheting Screw Driver. Now 39% Off. $31 $19 at Amazon. Craftsman V20 4.5-Inch Angle Grinder.