This unique kit contains 1 (3 pack) .17 Caliber bore whips, (1) 4 oz can of TSI 301, and is packed in our specially designed nylon bag with Velcro closure. Description of Bore Whip (3-pack): Works with most air guns 'Precision or Sporter' Functions as an ECI One piece construction for easy pull-through use No metal to scratch your firearm Washable and reusable Washes like Bore-tips Made in the USA Description of the TSI 301 4 oz. aerosol can: Preferred cleaning solvent of top U.S. Air Rifle teams. Non-petroleum based so it will not cause dieseling (when the pressure behind the pellet causes the oil to explode, or "diesel") Made in the USA