... painting,woodworking,construction, boat, road, chemical painting jobs etc.specification gun sprayer model HB 131 item NO 120131 material Stainless steel ... Extention Pole, Swivel Tip Extention Pole Connector, Great Gear, Pinion, Gun Repair Kit, Plunger Rod, Agitation Film, Tungsten, Silicon, Inlet/Outlet ... , Compression Nut, Hexagon Clamping Nut, Power Rollers and so on.. powder coating machine gun