The original toolkit in a can. CRC  5.56  multi-purpose  product  has  superior  penetrating power  that  breaks  through  rust  and  corrosion  while  it cleans away scale and dirt. Eliminates the need for many disassembly operations. Lubricates for smooth action, and silences  annoying  squeaks  and  squeals.  Protects  metals against corrosion and displaces moisture to help start wet engines.