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Safety & Compliance Resources

J. J. Keller protects people and the businesses they run. You can trust our expertise across a wide range of subjects relating to labor, transportation, environmental, and worker safety. Our deep knowledge of federal and state agencies is built on a strong foundation of more than 100 editors and consultants and 70+ years of regulatory compliance experience.

Company & Careers

J. J. Keller protects people and the businesses they run. You can trust our expertise across a wide range of subjects relating to labor, transportation, environmental, and worker safety. Our deep knowledge of federal and state agencies is built on a strong foundation of more than 100 editors and consultants and 70+ years of regulatory compliance experience.

  • Prevents theft of dropped-off trailers
  • Prevents movement of out of service trailers
  • Completely covers semi-trailer king pins
  • Casting constructed of high tensile strength ductile iron with power coat finish
  • Bell-shaped casting prevents lock from wedging or jamming in fifth wheel
  • Cup design keeps grease off hands
  • Includes two keys
  • Includes yellow flag to alert drivers that a lock is installed and to prevent accidental hook-up
  • Available keyed-differently or keyed-alike
  • Measures 5" O.D. x 3.75" H
  • Weighs 3.7 lbs.
  • Made in the USA

Advantage Savings: Advantage Savings

Size: 5" O.D. x 3.75" H

Need to Purchase a Case?: 10

Industry: Transportation

Average Rating: 3.5

BVNumberOfReviews: 2

Removal Method: Key

Material: Ductile iron

Weight: 3.7 lbs.