401SM - Williams - Screwdriver Micro-Adjustable Torque 1/4" Female Hex Drive 5-40 in-lb

The Williams 401SM Micro-Adjustable Torque Screwdriver is designed for precision fastening in low-torque applications where control and accuracy are critical. Featuring a 1/4" female hex drive and a 5–40 in-lb torque range, this torque screwdriver is ideal for small fasteners, delicate components, and fine assembly work.

The micro-adjustable torque mechanism allows for precise torque settings, helping prevent over-tightening and damage to sensitive parts. Its compact, ergonomic design provides excellent control and comfort, making it well-suited for repetitive tasks and detailed work in tight spaces.

Built to professional standards, the Williams 401SM delivers consistent, reliable performance across a wide range of applications, from HVACR service and electronics assembly to automotive and industrial maintenance tasks that require exact torque values.