Item Description : 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. Quick blade change feature. Also fits pinking (PIB-45), scallop/peak (SCB-45) and wave (WAB-45) blades for decorative edging.