Brand Name: Irwin *Sub Brand: Rotary Percussion *Material: High Speed Steel *Shank Type: Straight *Drill Bit Diameter: 5/8 in. *Dril Bit Length: 12 in. *Product Type: Hammer Drill Bit *Number of Pieces: 1 pc. *Packaging Type: Carded *ShankDiameter: 1/2 in. *Application: Masonry *Twist Length: 8 in.