LION Prussian Blue is a non-drying blue coloring matter created to pinpoint high spots, obstructions and incorrect seating of parts, making them visible as a bright blue streaking.


  • Easy to use
  • Non-drying 
  • Makes spotting improper fitting parts immediately visible

Typical Use

  • Bearings
  • Valves
  • Gears and other close tolerance or machined assemblies

Available In

  • 1.5 Oz Tube, 36 per case (PB-290)
SKU: PB-290

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