Discover precision and convenience with this Mini Electric Grinder Pen, designed for detailed engraving and carving tasks. Crafted with durable ABS and brass materials, this rotary tools kit is compact and lightweight, ensuring comfortable use even during extended periods. Powered by a built-in 3.6V 700mAh rechargeable lithium battery, it features a universal USB charging interface, eliminating the need for bulky adapters and allowing you to charge anywhere with ease. Key Features: · Mini and Portable Design: Lightweight and compact, this electric grinder pen minimizes fatigue, making it ideal for prolonged use on intricate projects. · Universal USB Charging: Equipped with a universal USB interface for convenient charging without the need for a dedicated power adapter, enhancing portability and usability. · Adjustable No-Load Speed: Offers three variable speed settings—5000, 10000, and 15000 rpm—allowing precise control for different engraving and carving requirements. · Versatile Clamping Range: Features a brass thick wall chuck with excellent corrosion resistance, supporting a clamping range from 0.5mm to 3.2mm to accommodate various drill bits and accessories. · Comprehensive 46-Piece Accessory Set: Includes a wide variety of attachments suitable for household projects, egg carvings, fine engraving, and jewelry making, meeting diverse creative needs. · Durable Materials: Constructed from high-quality ABS and brass for long-lasting performance and resistance to wear and corrosion. Specifications: · Item Type: Rotary Tools Kit · Material: ABS + Brass · Power Supply Type: Rechargeable Lithium Battery · Built-in Battery: 3.6V 700mAh · Charging Mode: USB · Rated Voltage: 3.6V · Chuck Size: Approx. 3.2mm (0.13in) · No-Load Speed Levels: 5000 / 10000 / 15000 rpm · Applicable Objects: Household items, egg carvings, fine engraving, jewelry Package Includes: · 1 x Mini Electric Grinder Pen · 46 x Accessories This versatile rotary tools kit is perfect for hobbyists and professionals seeking a portable, efficient, and user-friendly engraving solution. Whether working on delicate household crafts, detailed egg carvings, or intricate jewelry designs, this electric grinder pen delivers reliable performance and precision.