Straightforward and built to make big grouping lining a breeze. Perfectly set up for 9-14 liners running at 130-135hz at 5 volts unloaded. Medium to long stroke and strong for big lines with low effort. An all day Crusher. A satin black powder coat finish makes this super durable and super simple to maintain. Ready to make your days making tats, days making tats, not days worrying about your tools.