• To provide a known, controlled upward jarring impact, primarily designed
    for use during routine operations


  • Available in industry standard toolstring sizes
  • Easily identifiable color-coded Power Spring options
  • Power Springs suitable for all Sure-Trip Jars from 1.500” to 2.500”
    reducing inventory requirement
  • Rapid redress due to simple, ergonomic design, single Power Spring
    selection and minimal components
  • Inverted Jar design with upper latch mechanism
  • Sure-Trip Upper Assembly can be interchanged with Adjustable Spring &
    Hydraulic Jar Upper Assemblies
  • Optional, One piece Calibration Sub for verifying Power Spring tension
  • Connection options to suit customer requirements
  • Selected components QPQ treated
  • Hexagonal flats for safe make-up & break-out