The Ergonomic Rotary Cutter helps drive productivity by reducing lacerations from exposed blades. The easy push-movement and contoured handle reduces manual dexterity issues from repetitive cutting movements. The anti-slip rubber grip eliminates hand fatigue and stress, while the squeeze trigger allows the blade to self-retract for safety. The Ergonomic Rotary Cutter come preloaded with a RB-45 Tungsten Steel 45mm Rotary Blade. This industrial strength blade can handle up to six layers of thin materials. The quick-change blade feature allows you to keep working efficiently through the day. It can also be used in automated cutting applications.