23151 Titan 1/2in Dr.Reversible Micro Torque Wrench: This reversible torque wrenches feature a reversible head design that allows you to accurately torque both left and right hand fasteners. This wrench has an easy-to-read analog scale window for setting torque values in ft-lbs and Newton-meters. With a fully heat-treated handle and chrome vanadium ratchet gear this is one tough and durable wrench and it meets ANSI specifications.