OIY1629 Features: * Automatic center punche * Knurled aluminum handle for a positive grip and easy handling * Internal mechanism automatically - strikes a blow when downward pressure is applied * Point can be easily removed for regrinding or replacement * Heavy-duty * Made of properly hardened tool steel * Adjustable knurled cap regulates the force of the blow * No hammer required! Hold the punch in an upright position, press the handle down, and a built-in mechanism strikes a perfect mark every time * Force of the blow can be adjusted by turning the knurled cap * All working parts made of properly hardened tool steel. Point may easily be removed for resharpening or replacement. (Replacement PT22256.) * Works on metal, plastics, wood and other machinable materials * Punch Diameter: 5/8"" Dimensions: * Length: 5""