12 Piece Set of Cobalt Steel Drills

• Cobalt Steel - Withstands abrasion and heat generated by hard-to-machine metals.
• Contents: 1/16, 3/32, 1/8, 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 3/8, 7/16, 1/2"
• Precision ground, gold finish.
• For Stainless & Hard Steels, Wood & Plastic.
• 135° Split point for fast penetration and accurate self centering.
• Retains hardness at high temperatures.
• Sturdy metal cases with hinged index.
• Bits clearly visible with sizes marked on case.
• Shank reduced to 3/8".