Champion black Gold jobber drills outperform ordinary jobber drills by penetrating faster and lasting longer. Made of premium high speed steel with black and Gold surface treatment. Black Gold surface treatment holds lubricant for smoother drilling and increases tool life. Self centering 135 degree split point prevents drill from walking. Recommended for drilling hard materials, high tensile alloy steels and stainless steels. Plastic drill case is waterproof and convenient for general storage, tool organization and tool protection.