Swingline DX20-19 Cross-Cut Jam Free Shredder, 20 Sheets, 5-10 Users. The DX20-19 is a top quality, cross-cut shredder. Powerful cutters shred not only as many as 20 documents at a time, but CDs and credit cards as well. Various easy maintenance features are also included such as SelfOil, Self Clean and Non-stop Jam Free technology.