Summa Perforation Knife 1.7 x 1.7mm D1.1mm 8TPI (500-9891)

The Summa Perforation Knife 1.7 x 1.7mm D1.1mm 8TPI is a replacement perforation knife for the Perforating Tool (500-9315). It is one of the standard knives included with the perforating tool.