KS TOOLS 1/2 inch ERGOTORQUEprecision Ratchet Torque Wrench, 80-420 Nm, Dual Scale, DIN EN ISO 6789-1:2017, with Plastic Box (516.1582)

Precision torque control meets rugged durability in the KS TOOLS ERGOTORQUEprecision ratchet torque wrench. Unlike generic click wrenches, this 1/2" drive tool delivers ±3% accuracy across an 80–420 Nm range, backed by DIN EN ISO 6789-1:2017 certification. The dual Nm/ft.lb scale and fine 1.0 Nm graduation allow exact settings, while the quick-adjust locking mechanism prevents accidental changes mid-job. A reversible 32-tooth ratchet head and ergonomic 2-component handle make it a reliable companion for demanding automotive and industrial work.

Highlights

• Wide torque range: 80–420 Nm for heavy-duty fastening
• ±3% accuracy per DIN EN ISO 6789-1:2017
• Dual scale (Nm and ft.lb) with 1.0 Nm divisions
• Quick-adjust locking system for secure settings
• Reversible 32-tooth ratchet head for tight spaces
• Audible and tactile click release prevents over-tightening
• Ergonomic 2-component handle reduces fatigue
• Supplied in a robust plastic storage box

In daily use

Set the desired torque by rotating the handle grip — the locking ring holds it firmly. The dual scale lets you work in Nm or ft.lb without conversion charts. As you approach the target, the wrench emits a clear click and a slight release, signaling you to stop. The reversible ratchet head allows clockwise tightening and counterclockwise loosening with a simple lever flip. The 630 mm length provides ample leverage for high torque values, while the 2-component handle offers a secure, comfortable grip even with oily hands.

Full specifications

• Drive size: 1/2" (12.5 mm)
• Torque range: 80–420 Nm
• Accuracy: ±3%
• Scale type: Dual (Nm and ft.lb)
• Scale division: 1.0 Nm
• Ratchet teeth: 32
• Release mechanism: Audible and tactile click
• Adjustment: Quick adjustment with locking
• Handle material: Ergonomic 2-component plastic
• Wrench material: Chrome Vanadium Steel
• Certification: DIN EN ISO 6789-1:2017
• Operating direction: Clockwise (right-hand tightening)
• Total length: 630 mm
• Head width: 45 mm
• Head height: 25 mm
• Storage: Robust plastic box

Final note

For professionals who demand certified precision and long-term reliability, the KS TOOLS ERGOTORQUEprecision torque wrench is a trustworthy investment that pays off in every controlled fastening.