Lightweight heated tire groover has no heavy control box or bulky power cable! All the power you need fits in the palm of your hand. 6 Power levels – fingertip controls, consistent cutting depth. Insert, change and adjust blades with ease. It’s the perfect groover for the racer…it can cut any groove up to 1/2″, plus it has the ability to cut truck size grooves with ease! Weighs only three pounds. The kit includes #4 flat, #6 flat, #8 flat and #10 flat blades. Can also be used with round blades.