Champion Cutting Tool CM97-3 / 4x31x36 Proline Spline Shank Hammer Bit Carbide Single Point 3/4-Inch by 31-Inch by 36-InchCM97 SDS Hammer Bit with self starting Spline Shaft carbide metal single tip for swift eindringen It is a reinforced Flute geometry, reduce vibration, transfer more impact energy to the cutting face, and fast channels dirt The balance of the round tip and whistle geometry ensures perfect holes Short, conical dust input for extra fast removal, and patented material Flute optimized impact energy transfer, break resistant and rapid fire Schuttentfernung