Comprehensive Resin drill pen set: This versatile kit includes 15 mini twist drill bits of assorted sizes(0.7x2/0.9x2/1.0x5/1.2x2/1.5x1/2.0x1/2.5x1/3.0x1). It also features 4 grinding heads with a handle diameter of 2.3mm and average length of 32mm. This combination ensures a tool suited for all your DIY crafting needs.Variety of 15 Drill Bits: The 15 different size drill bits in our package are perfect for various applications - from resin casting and jewelry making to keychain crafting. Each bit is specifically designed for different types of crafts, ensuring that all your project requirements are easily met.Efficient and Labor-Saving: Our electric handheld drill majorly improves your DIY crafting experience. Unlike manual hand drills, our tool saves time, effort, and enhances precision, thereby offering superior efficiency and high-quality results for your projects.Wide Applications: The mini drill bits are versatile and can penetrate wooden boards, plastic boards, and paper sheets within a thickness of 10mm. Please note, they are not suitable for drilling hard materials such as steel. This wide range of uses makes this tool an essential for all DIY enthusiasts.User-Friendly Operation: Our drill is easy to set up and use. First, align the small circular hole below the clamping nozzle with the space; then, using the included L-shaped key, attach the clamping part. Insert the drill bit into the brass cross clamp, switch on, and start drilling! Enjoy a seamless, hassle-free DIY crafting experience. The actual product may have slight color differences or differences, which does not affect use.Colour:greyMaterial:plastic Package Contents:1 x electric drill1 x locking nut6 x sandwich1 x wrench15 x drill bits4 x grinding head Only the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the