Replacement nylon cable spool 39.4ft in length for use in the BB-K01 Bundle Boss bundling tool. You will receive 1 spool containing 39.4 ft. of Black nylon cable tie material. (NOTE: You must have a Bundle Boss tool or other similar tool to utilize this spooled nylon cartridge.) Additional Replacement Spools, Clips, and the Bundle Boss Perfect Fit Cable Tie Tool, are also available but are not included.