The Norbar 13831 TTi Adjustable Mechanical Torque Wrench with Ratchet, 3/8” Square Drive is a compact, precision torque tool built for repeatable fastening in low-to-mid torque applications. It features a durable, reliable internal mechanism and a clear micrometer scale for simple, error-free setting (with micrometer increments applied to the Nm scale on dual-scale models). Torque changes are fast and fingertip-lightcovering the full range in roughly ten turnshelping technicians move efficiently between tasks.

A robust two-material handle combines a strong core with a soft-feel, slip-resistant grip for comfort during repetitive use. Both the handle material and scale lens are designed to resist chemicals commonly found in automotive, aviation, and industrial settings. The Norbar 13831 TTi Adjustable Mechanical Torque Wrench with Ratchet, 3/8” Square Drives proven click system provides both a tactile and audible signal when the target torque is reached, while an integrated lock prevents accidental adjustment of the set torque. A reversible ratchet head adds convenience when working in confined spaces, and the handle includes a marked center/calibration force point to support correct application technique. Accurate to 3% and compliant with ISO 6789-1:2017, it is supplied with a Declaration of Conformance and is made in the UK.

Ideal for electronics and light mechanical assembly, aircraft interiors, automotive trim and components, and general production work, the Norbar 13831 TTi Adjustable Mechanical Torque Wrench with Ratchet, 3/8” Square Drive excels on benches, service bays, and line stations where consistent torque, fast adjustments, and reliable ratcheting access are essential for quality control and productivity.