Mastercool 70078 Torque Wrench Kit, 10–75 Nm, R410A Flare Nut Tool, 6 Metric Heads (17, 22, 24, 26, 27, 29 mm) with Blow-Molded Case | Precision HVAC Torque Wrench | U.S.-Based Support — Open-Box, 13% Off

✔️ PRECISION TORQUE CONTROL (10–75 Nm) – Provides accurate tightening of flare fittings, especially for high-pressure R410A systems, ensuring reliable, leak-free connections.

✔️ 6 INTERCHANGEABLE METRIC HEADS INCLUDED – Kit includes 17, 22, 24, 26, 27, and 29 mm heads; optional 19, 25, 28, and 32 mm heads available separately (70078-19/-25/-28/-32).

✔️ STEP-BY-STEP ADJUSTMENT SYSTEM – Easy-to-use knurled handle and clear vertical scale for setting torque values from 10 Nm to 75 Nm. Audible “click” confirms torque has been reached.

✔️ PROFESSIONAL-GRADE DESIGN – Built with premium materials and calibrated for accuracy. Blow-molded case keeps components secure and organized for field use.

✔️ SAFETY & MAINTENANCE WARNINGS INCLUDED – Includes complete instruction guide: never set below 10 Nm, relieve pressure after use, and store at minimum torque to maintain accuracy.

✔️ MASTERCOOL QUALITY & U.S.-BASED SUPPORT – Backed by decades of engineering experience and dedicated customer support. Mastercool tools are trusted by professionals worldwide for their durability, precision, and service reliability.