The 500-020 is a professional network kit in an ABS carrying tool case. This kit has almost everything you'll need to get the job done efficiently and correctly, including RJ-45 RJ-11 RG-58 RG-59/62 BNC/TNC RJ-22 RG-58 and RG-59/62 AU BNC/TNC Die sets, a Rotary coaxial and precision wire stripper, 3/16" 1/4" 5/16" 11/32" 3/8" and 7/16" Nut Blades, T6 T7 T8 and T9 Driver blade, and that's just to name a few! The tool kit comes all bundled in a durable ABS hardshell case of easy organization.