The document describes COKER BOSS CleanersTM, tools that allow safe cleaning of clogged bleeder, vent, and instrument tap valves on coker units. The tools contain process material and eliminate hazards like fires, spills, and vapor releases. They are available in various diameters, lengths, and end connections to clean instrument taps, drain valves, manifolds, and orifice taps. Three types are listed that vary in operating pH, temperature, and pressure limits.