A 14-Piece, Versatile Drill Bit Set for Diverse Applications: The Peachloft drill bit set includes seven popular sizes: 1/8", 5/32", 3/16", 15/64", 5/16", 25/64", and 15/32", making it ideal for precision machining, installation and repair, and heavy-duty construction. Fully Carbide Tip, Strong and Wear-Resistant: Peachloft drill bits are made of tungsten steel alloy for increased hardness, longer life, and high-temperature resistance, ensuring long-lasting, stable performance. Efficient U-Groove Design, Fast Chip Evacuation: The Peachloft drill bits' double U-groove structure efficiently evacuates chips, reduces friction, and improves drilling efficiency and cleanliness. 1/4" Hexagonal Shank, Stable and Versatile: The Peachloft drill bit set's 1/4" hexagonal shank is non-slip and stable, making it compatible with a wide range of electric drills, hand drills, and bench drills, providing more stable drilling. Multi-material Compatible, Please Use Water for Cooling: Peachloft drill bits are suitable for a variety of materials, including tile, brick, wood, and plastic. Please add water to cool down when drilling to extend the life. Do not use the impact mode. Color: As Shown Material: Metal Package Contents: 14*Peachloft Drill Bits Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.