The Faithfull three piece set of hand tap wrenches designed for use in hand tapping and reaming operations. Each wrench features a heavy-duty ductile steel body with a knurled chuck cap. A four point clamping system helps to increase the range of tap sizes that can be used and provide a firm non slip grip for accurate control. Three sizes cover the following metric and imperial size taps M1-M4 1/16in - 5/32in M4-M6 5/32in - 1/4in M6-M12 1/4in - 1/2in