When you need to cut deep into concrete， reach for the Boss - the STIHL GS 461 ROCK BOSS. This revolutionary concrete cutter changes the game with enhanced performance that cuts up to 15.7" deep into concrete， reinforced concrete (with rebar up to 1/2 inch)， cinder blocks， masonry bricks， asphalt and soft stone. And it does all of this in a compact， lightweight package that is easy to maneuver and transport. It's a great addition to your construction site when you need to get serious with concrete materials. And because it’s a STIHL， you know it delivers excellent performance. The GS 461 ROCK BOSS features include a low exhaust emission engine， HD2 heavy-duty air filter， advanced water controls， low vibration， and our exclusive Diamond Abrasive Chain.Find the CONCRETE CUTTER GS 461 at Ace.