The bits are carbide tipped, and have a V-Tip designed for drilling Marble, Granite, Porcelain Tile, Hard Metal, Plastic, Wood, and Masonry.

This is an alternative to Relton's Groo-V Masonry Drill Bits. Unlike Relton, however, these bits have a Hex Shank, which causes less slippage in your drill's chuck.

• Point Diameter: 3/16"
• Shank Diameter: 3/16"
• Overall Length: 4"
• Drilling Depth: 2-1/2"
• Tip Material: Carbide
• Style: V-Tip
• Shank Type: Square