<p><b>Specifications:</b></p> <p>Material: HSS M35 Cobalt 5%</p> <p>Angle Point: 135 Degree</p> <p>Flute Type: Spiral</p> <p>Shank Type: Straight Shank</p> <p> </p> <p>All woodworkers need this set. 115 pieces are included for you to choose the most appropriate one, and it comes in a portable case. And all drills can be used for cutting metal, plastic, wood, etc. HSS M35 with 5% Cobalt provides ultimate higher heat and abrasive resistance which ensures a longer service life. </p>