The Slice® 10511 Pen Cutter Clip is a response to customer demand for an easier way to carry the manual and auto-retractable Slice pen cutters. Now, in addition to the lanyard hole in both pen cutters, you can add the 10511 and clip your pen cutter to a pocket or clipboard. The 10511 Pen Cutter Clip is sold separately and can be clipped on any Slice Pen Cutter.