Includes a pack of 100 Personna heavy-duty utility blades which are individually wrapped in paper. These blades can be used in most utility knives and any of the following Crain tools: No. 070 Dexter Custom Handle, No. 189 Hook Handle Utility Knife, No. 247 Multi-Purpose Wall Trimmer, No. 265 Stand-Up Cutter, No. 290 Seam Cutter Plus, No. 300 Loop Pile Cutter, No. 304 Versa-Cutter, No. 727 Delphin Knife, No. 728 Folding Utility Knife, No. 730 Utility Knife, and No. 732 Extra-Grip Utility Knife. These blades are individually wrapped in paper and come in a laminated paper box. Blade dimensions: length: 2.40, width: .75, thickness: .025.