Olfa 5021 Multi-blade auto-loading auto-lock utility knife with blade storage (PL-1)

Use this multi-blade OLFA® utility knife, and you'll never be caught without an extra blade. That's because you can store up to five extra blades in the automatic loading mechanism that can be operated with one hand. Use this utility knife for construction materials including drywall, linoleum, carpet, flooring materials, insulation, and roofing materials. Good For: Applications such as flooring, drywall and roofing repair or replacment. Cuts carpeting, linoleum, drywall, roofing shingles and more.