Features dual-action safety lock that locks the blade open for comfort and closed for safety. For both right- and left-handed users with an ergonomic handle design. The most versatile of all the rotary cutters. Perfect for general quilting, sewing and craft projects! Also accommodates wave blades, pinking blades and scallop blades (not included) for decorative edging. This 4.5x8.75 inch package contains one 45mm rotary cutter and 45mm rotary blade. WARNING: Cut Hazard, Sharp Blade. Contact may result in injury. Always keep blades away from fingers and body. Handle with Care. Keep out of reach of children.