Experience superior cutting power and precision with our professional industrial strength cross drill bit. Crafted for comfort and control, this drill offers minimal vibration and noise for a smooth operation. Constructed from alloy tungsten steel, this drill bit boasts exceptional corrosion resistance, high hardness, and a long lifespan. Its high-quality carbide composition enables effortless drilling on various surfaces including glass, ceramics, wood, marble, and more. Featuring 10 different size shapes, this versatile set ensures you have the perfect drill bit for any task at hand. Whether you're working on detail-oriented projects or using electric/pneumatic rotary tools, this drill bit set is your go-to solution for precision drilling. Item Name: Drill Bit Material: Alloy, Tungsten Steel Outer Diameter: 1-6mm Shank Diameter: 3mm Length: 43-50mm Features: Practical, Durable, Long Lasting Size Details: Length: 4.3cm-5cm/1.69"-1.97" (Approx.) Width: 0.3cm-0.6cm/0.12"-0.24" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 10 x Drill Bits