MalcoEdge FSG Tube Flare Sizing Gauge – HVAC Line Set Flaring Tool for 1/4”, 3/8”, 1/2”, 5/8”, 3/4” Tubing – Precise Measurement for Copper & Aluminum

Malco FSG
•Precise flare sizing gauge for tubing sizes 1/4”, 3/8”, 1/2”, 5/8”, and 3/4”
•Designed specifically for HVAC line set flare measurements
•Compatible with copper and aluminum tubing for accurate flare fitting
•Helps ensure proper flare size for leak-free HVAC connections
•Durable construction ideal for professional HVAC installers and technicians

MalcoEdge™ FSG Tube Flare Sizing Gaugeis the precise measuring tool you reach for when flare accuracy matters on HVAC line sets. It provides exact flare measurements for1/4”, 3/8”, 1/2”, 5/8”, and 3/4”tubing and is designed to work withcopper and aluminumtubes, ensuring reliable flare sizing for both new installs and on-site repairs.

What makes this gauge stand out for HVAC professionals:

• Five standard sizes in one gauge—precise flare measurements for 1/4″, 3/8″, 1/2″, 5/8″, and 3/4″ tube flares.
• Copper and aluminum compatibility—size line sets without swapping tools or second-guessing material compatibility.
• On-site readability and practicality—clear references that speed up flare verification during installs and service calls.
• Leak prevention through accuracy—proper flare sizing reduces the risk of leaks and rework, saving time and materials.
• Professional-grade design for HVAC work—tailored for use in both residential and commercial line-set projects.

Who should use the MalcoEdge FSG?

HVAC installers, service technicians, and repair specialists who regularly size flares on copper or aluminum line sets will rely on this gauge to deliver consistent, dependable flare fittings in air conditioning, refrigeration, and heat pump systems.

How it enhances your workflow

Before you flare, verify the size with the gauge to ensure you match the flare to the corresponding nut and fitting. By removing sizing guesswork, you’ll experience quicker installs, fewer call-backs for leaks, and a smoother transition from measurement to threaded connections.

Care and best practices

Keep the MalcoEdge FSG clean and dry after use to preserve measurement accuracy. Store it with other HVAC reference tools to maintain quick access on busy job sites, and rely on its five-size versatility to minimize tool clutter.

Invest in the MalcoEdge FSG to achieve precise, repeatable flare sizing on copper and aluminum line sets, delivering reliable seals and streamlined service—every time.