This OLFA® rotary cutter is a combination of comfort, convenience, strength and safety. Its ergonomic handle with anti-slip rubber grip eliminates hand fatigue and stress, while the squeeze trigger allows the blade to self-retract for safety. The cutter can handle up to six layers of thin materials. And the quick blade change feature won't slow down your project. Good For: cutting strips and multiple layers at once. Cuts fabric, paper, tarp, vinyl, upholstery and more. Quick blade change feature. Contoured handle for comfortable cutting. Features a tungsten steel 45mm rotary blade (3902545). Split blade cover for additional safety.