The Bonai BN-HK47 4-in-1 Cordless Brushless Power Tool Set offers professional-grade performance in one versatile kit, designed for woodworking, metalwork, construction, and home maintenance. Featuring four essential brushless tools—a drill, an impact wrench, a hammer drill, and a grinder—this set delivers the power, efficiency, and durability needed for a wide range of applications. The brushless drill provides dual-speed control (0–430 r/min and 0–1500 r/min) with a 10mm chuck, perfect for precise drilling in wood, metal, and plastic. The brushless hammer drill operates at 1000 r/min with an impact frequency of 0–6200 ipm, handling up to 26mm drilling capacity in masonry and concrete with ease. The impact wrench delivers a no-load speed of 0–3300 r/min, an impact rate of 0–3000 rpm, and a maximum torque of 580 N·m, making it suitable for loosening stubborn bolts and tightening heavy-duty fasteners. The grinder, equipped with a 115mm disc and a maximum speed of 10000 r/min, is ideal for grinding, cutting, and finishing tasks on various surfaces. Powered by two rechargeable lithium-ion batteries and supported by a fast charger, this kit ensures minimal downtime and continuous productivity. The ergonomic handles and balanced weight distribution provide user comfort during extended operation, while the compact, cordless design offers freedom of movement on job sites. Whether you are drilling holes, fastening bolts, grinding metal, or working with concrete, the Bonai BN-HK47 delivers reliable, efficient, and precise results every time. This complete set, packed with essential accessories, is the perfect choice for both professionals and DIY enthusiasts seeking a comprehensive solution for multiple tasks in one portable package.