This comprehensive 12-piece wheel nut set includes 6 right-hand and 6 left-hand thread nuts, specifically designed for rear wheel applications. Compatible with various Chevrolet, GMC, and ISUZU models including NPR, NQR, NPR-HD, and NRR from 1998-2025. Each nut features durable zinc-plated construction with a hexagonal design for secure fitment and easy installation. The threaded design ensures proper torque retention and helps prevent wheel separation during operation. These heavy-duty wheel nuts are precision-engineered to meet exact OEM specifications, providing reliable performance and proper wheel mounting. Perfect for fleet maintenance, professional mechanics, or DIY repairs, this complete set offers everything needed for a proper rear wheel installation on compatible commercial vehicles.