Product overview: This compact mini hand drill set is designed for hobby and jewelry work and provides precise, controlled drilling for small-diameter holes in soft and medium materials. Key benefits: - High precision gripping allows secure use of 0.3- to 3.4-mm micro twist drill bits for accurate, clean holes. - Lightweight aluminum alloy construction offers stable performance without adding bulk. - Includes ten HSS micro twist bits to cover common small drilling needs right out of the box. - Simple hand-operated design gives full control for delicate tasks and reduces the risk of overdrilling. Specifications and materials: - Material of drill body: aluminum alloy. - Color: black. - Chuck clamping range: 0.3-3.4 mm. - Drill bit material: high speed steel (HSS). - Quantity included: 1 set containing 1 mini hand drill and 10 bits. - Size: as shown in the product images. Compatible materials and limits: - Suitable for drilling wood, plastic, rubber, models, linden, horn, amber, olive, walnut, Jin-Gang, and similar soft to medium materials. - Not suitable for drilling steel, iron, stone, or other very hard materials. Practical use scenarios: - Jewelry making and repair: precisely drill small holes in wood, horn, amber, and soft stones for beads and findings. - Model making and crafts: create accurate holes in plastic and balsa or linden wood for assembly and detailing. - Small repairs and DIY tasks: make pilot holes and adjustments in wooden trim, walnut accents, and other delicate components. Performance and user tips: - The chuck securely holds micro bits from 0.3 mm up to 3.4 mm for consistent results. - Use steady, light pressure and rotate the tool slowly for the cleanest cuts in soft materials. - Change bits carefully and inspect HSS bits regularly for wear to maintain precision. Package contents and notes: - Included: 1 mini hand drill and 10 HSS micro twist bits. - Please allow 1-3 cm measurement variation due to manual measurement. - Actual item color may vary slightly from images because of lighting and display differences. This mini hand drill set provides precise, portable drilling for hobbyists and jewelry makers who work with small and delicate materials.