The Stahlwille 517QR 13261010 is a professional 1/2-inch (12.5 mm) ratchet wrench designed for demanding mechanical applications. This fine-tooth ratchet features 80 teeth and offers a minimal swing angle of just 4.5 degrees, allowing for efficient work in tight spaces. It includes a QuickRelease safety locking mechanism for secure socket attachment and removal, as well as a durable two-component handle for improved grip and comfort during use. The ratchet head can pivot approximately 90 degrees up and down, with positive locking positions at straight, 30 degrees up, 60 degrees up, and 30 degrees down, providing versatile access to fasteners. The locking mechanism is released using a slide button integrated into the handle. Built for reliability, this tool employs a screwless design that protects against foreign object damage and enhances durability in workshop environments. Weighing 0.98 kg, it offers a balanced feel during extended use. The design complies with DIN 3122 and ISO 3315 standards, ensuring compatibility with standard 1/2-inch drive sockets. This ratchet is suitable for automotive repair, industrial maintenance, and other precise mechanical tasks where access is limited and tool reliability is critical. The unit includes a 517QR fine-tooth joint ratchet.