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Internal Hi-Lo Welding Gauge – Precision Pipe Alignment & Fit-Up Inspection Tool

Internal Hi-Lo Welding Gauge – Precision Pipe Alignment & Fit-Up Inspection Tool

Regular price $34.95 USD
Regular price $40.95 USD Sale price $34.95 USD
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Low stock: 2 left

Default Title
The Internal Hi-Lo Welding Gauge is a precision inspection tool designed to verify internal pipe alignment (Hi-Lo) and root gap during pipe fit-up before welding. Ideal for welders, inspectors, and quality control professionals in the Oil & Gas, pipeline, pressure vessel, and fabrication industries, this compact stainless steel gauge provides fast, accurate metric measurements to help ensure high-quality weld preparation and code-compliant fit-up.

Product features

  • Precision internal Hi-Lo alignment gauge for pipe fit-up inspection.

  • Measures internal misalignment and root gap before welding.

  • Designed for pipeline, pressure vessel, structural steel, and fabrication applications.

  • High-quality stainless steel construction for corrosion resistance and long service life.

  • Laser-engraved metric scale for clear, permanent markings.

  • Compact lightweight design for convenient field use.

  • Integrated pocket/belt clip for easy carrying.

  • Retaining screw securely locks measurements for accurate readings.

  • Includes protective PU leather storage pouch.

  • Suitable for welding inspectors, pipefitters, fabricators, and QA/QC professionals.

Materials and care

Manufactured from premium stainless steel for durability and corrosion resistance.


Precision laser-engraved measurement scale resists wear over time.


Wipe clean with a soft dry cloth after each use.


Keep the measuring surfaces free from dirt, oil, and welding debris.


Store in the included protective PU pouch when not in use.


Avoid dropping or exposing the gauge to excessive impact to maintain measurement accuracy.


Periodically inspect the retaining screw and moving components for smooth operation.

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Variant Variant total Quantity Price Variant total
Internal Hi-Lo Welding Gauge – Precision Pipe Alignment & Fit-Up Inspection Tool
Default TitleWI0027
Default TitleWI0027
Regular price
$40.95
Sale price
$34.95/ea
$0.00
Regular price
$40.95
Sale price
$34.95/ea
$0.00