Target Audience: Designed for model hobbyists, DIY creators, and crafters who need precision for detailed work. Drill Bit Specifications: This set includes sizes: 1.1mm, 1.2mm, 1.3mm, 1.4mm, 1.5mm, 1.6mm, 1.7mm, 1.8mm, 1.9mm, 2.0mm. Drill Bit Size: Each bit is 38mm long and 3.175mm wide, ideal for precise drilling tasks. Drill Bit Material: Made from high-quality tungsten steel, ensuring long-lasting sharpness and durability. Applications: Perfect for drilling in plastic Gundam models, miniature military models, resin parts, and other DIY projects that require fine drilling. Compatible Handles: Best used with a pin vice or manual drill handle for maximum control and stability.