Compatible with the Hand-Masker M3000 Dispenser, the PB12 blade improves the speed and accuracy of your masking process, whether you're protecting walls, floors, or windows. It is easy to replace, making it a convenient option for ongoing masking projects. With its reliable performance and simple installation, the 3M Hand-Masker Replacement Paper Blade is designed to help you achieve professional-quality results while reducing time spent on masking prep.