• Incredibly strong Cobalt-coated bits drill faster, last longer--hardest cutting material available
• Silver & Demming reduced-shank bits drill precision holes to 1" diameter--fit any 1/2" chuck!
• Takes on tough drilling jobs through hardest metals: spring steel, stainless steel--even Titanium
• High-carbon steel shafts provide excellent flexile strength without brittleness
• Includes heavy-duty pouch to protect bits, keep them easy to find

Includes eight 1/2" shank bits in the most popular sizes: 9/16, 5/8, 11/16, 3/4, 13/16, 7/8, 15/16 and 1".