An electric tapping arm is a must-have in any fabricator's toolbox. The extending and articulating arm of a tap arm allow for quick changes to height levels so you always have access to your desired hole location on whatever project you're working on at that moment. With its ability to accommodate various tap types, there isn't anything flex arm tapping machine can't do. The extendable and articulate design of an electric tapping arm makes it ideal for repetitive tasks as well as difficult ones with multiple holes needing tapped into different parts of the workpiece.