Remember when you could drill through any material? The WEN 29-piece fully ground drill bits provide variety and versatility for all your drilling needs. Black gold finish maximizes the lifespan of your bits by fighting rust, corrosion, and heat damage. The fully ground bits increase accuracy and lifespan in comparison to Non-Ground alternatives. The 135-degree split points limit slips and walking during operation. Sizes range from 1/16 to 3/8 of an inch in 1/64-inch increments. The 3-flat shanks creates a sturdy grip for drill chucks, preventing spinning and slippage during operation. Make clean holes in metals, woods, plastics, and more. Includes a compact carrying case for convenient storage and transport. Remember when you had the exact drill bit for the job? Remember WEN.