[Accurate] This drill has a shank and tip diameter of approximately 1/8 inch, an overall length of approximately 2.35 inches, and a depth of cut of approximately 3/4 inch. The dimensions are designed to fit your tool and provide ideal grip during use. [M2 High Speed Steel] This drywall cutting tool is made from M2 high-speed steel for excellent durability and long-lasting performance in demanding cutting applications. [Deep Cutting Capability] The drywall drill cuts up to 3/4 inch deep, and the wood drill cuts up to 1 inch deep, offering versatility with precise control and accuracy. [Multi-Functional] Suitable for DIY woodworking, drywall repairs, construction tasks, and detailed projects, this drywall cutting drill kit performs well on various materials including wood, plastic, and gypsum boards. [Wide Applications] These bits are designed not only for drywall but also for cutting acoustic tiles and formwork. Ideal for cutting around outlet boxes, framing, and shielded lights. Color: Silver Material: M2 high-speed steel Size: 3.15mm x 60mm Package Contents: 50 x Drywall Bit Note: Light reflection and different displays may cause the color in the image to vary slightly from the actual item. Measurement may vary by +/- 1-3cm.