Profile Shear with right hand blades. Cuts profile and flat materials up to 18 gauge, spiral duct, wire mesh and many other materials. These snips are extremely light and maneuverable at 5 pounds, the KL-446R can cut tight curves at a radius of three inches. The blades are made of high quality steel, heat treated and precision ground. The straight-handle, single-speed motor cuts up to 28 feet per minute at 2500 RPM. U.S. Patent #7,971,360.