36-tooth ratchet mechanism with a 10° swing arc allows you to turn fasteners in spaces other tools can't fit;Torque accuracy of +/- 3% CW between 20% and 100% of wrench capability;Thin profile, sealed, teardrop head design offers improved access and durability for highly effective application;Pull adjustment collar feature allows you to make quick and easy torque setting changes;Scale markings are highly visible and easy to read