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Penetrants

Get the professional-grade performance you need with Kroil's Original Penetrant in liquid and aerosol formulas. Unlock the power of Kroil today!

Kroil Original Penetrant

Loosen frozen metal parts the professional way, with Kroil Original Penetrant in liquid and aerosol (formerly AeroKroil) formulas. Discover why Kroil has been trusted to help loosen bolts in various applications since 1939.

  • Attacks Corrosion
  • Helps Remove Rust and Carbon Deposits
  • Penetrates Quickly
  • Works Everywhere
  • Simplifies Repairs
  • Penetrates Deeply
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Kroil Penetrant with Silicone

Free it up, lube it up, finish it up. No job is too tough for Kroil Penetrant with Silicone (formerly SiliKroil).

  • Lubricates Longer
  • Attacks Corrosion
  • Penetrates Into Crevices
  • Helps Remove Rust and Carbon Deposits
  • Works Everywhere
  • Simplifies Repairs
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Kroil Penetrant with Graphite

Excellent penetration and lubrication in high temperature environments (formerly Penephite).

  • Penetrates Into Crevices
  • Lubricates Longer
  • Works Up To 700°F
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