This kit has every tool you'll ever need for cleaning and maintaining every spray gun you own, including HVLP, compressed air, and detail & touch-up guns. The kit includes a 7-piece stainless steel needle set with 5" handle; an angled dentist's pick for pulling O-rings and packings; 3/16" & 1/4" end brushes with handle; a 5" long, 1-1/4" to 3/4" tapered body cavity brush; 1/2" straight body brush; 1/4" HVLP brush; 12" x 3/8" nylon pickup tube brush; 8" x 3/8" brass power pickup tube brush; five-piece precision mini/micro brush set; a stiff general-purpose nylon scrub brush; and a half-ounce bottle of non-petroleum Spray Gun Lube. If this kit can't get your spray gun clean, it's time for a new gun.