The Barracuda concrete engraver is great for cutting designs that have fine detail.
Mid-sized Mochton Stylus “Barracuda” Concrete Engraver has 29 replaceable impactors. With its specially designed head it can cut into most small openings. Precision made of billet aluminum, hardened tool steel and nickel-plated steel. Air compressor required (5CFM at 90PSI)