From the Manufacturer
Kett 80-20 Scissor Shear Head for KD-280, P-580 and P-1080. This shear head has a stationary bottom blade, and is for cutting pliable material. The unique scissors action cuts light materials without fouling or gouging. Even handles heavy foil, light insulated wire, hardware cloth and mesh screening with ease. The large Rabbit Ear blades funnel thick, soft materials into the scissor jaws for a clean, flowing cut.