10Pcs Drill Bits Set with 6mm 1/4 Inch Round Shank for Glass Ceramic Marble Tile Concrete Wood and Brick Wall Drilling Tool

Features:
Material: Made of premium carbon steel quality makes the drill bits set more durable and wear resistant.
Size: Designed with a 6mm (1/4) Spear-pointed Tip, the length is 70mm, about 2.76 inches, and shank dismeter is 4.4mm, approx. 0.17 inch.
Applications: Ideal for drilling ceramic tiles, glass, marble, wood, brick wall and mirrors. When drilling hard materials, please use water for lubrication to extend the service life of the drill bit.
Easy to Use: These drill bits are typically used with electric drills, easy to use and store.
Portable: These 10pcs drill bits are stored in a plastic box, easy to carry and store.