Jobber length drill bits designed for extreme durability and long life. Features a thicker core which provides strength and protects against side-load breakage. A specially designed parabollic flute form clears chips and debris fast. A precision start, 135 split point tip starts on contact to keep the bit from walking. Excellent for drilling on curved surfaces, requires less effort to drill, and is highly recommended for use with portable drills. The 3-flat secure-grip shank won’t slip in the drill chuck. Reduced shank diameter for use in 3/8″ chucks. Includes the following bits: 1/16″, 5/64″, 3/32″, 7/64″, 1/8″, 9/64″, 5/32″, 11/64″, 3/16″, 13/64″, 7/32″, 1/4″, 9/32″, 5/16″, and 3/8″.