ZVH1220 Features: * Reversible tap wrench * Wrench has a number 0 to 0.25"" tap capacity * Ratchet can be set for right- or left-hand operation or locked for non-ratchet use * Self-centering hardened steel jaws and knurled chuck sleeve provide positive grip on taps, reamers and small tools * Sliding T-handle for fitting into tight spaces with operator leverage * Number 161R conforms to government specifications GGG-W-680a * Works great with reamers, drill bits, screw extractors and other hand-turned tools