Unique Design: Cutting edge with double side cutting spurs of high quality for grabbing wood strongly and and quick drilling effortless. Unique designed groove for efficient and smooth chip removal to increased drilling speed.

High Quality: Constructed from carbon steel with fully heat-treated for durability, the head with the polished surface is made to ensure longevity and high wear resistance.

Universal Hex Shank: Flat sides of the hex shank with groove will be far less likely to slip and allow for higher torque than a round shank. 1/4'' shank is universal for most drill driver tool in the markets.

Versatility: Set includes 13 high-performance drill bits. Size: 1/4", 5/16", 3/8", 1/2", 9/16", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4",1-3/8", 1-1/2", meet almost all your needs.

Keep Organized: Comes with a durable and portable bag, for keeping your tools organized and ideal for carrying to work or around the house.