The Wera 9529 C Step Socket 1/2" SB is a high-quality socket insert specifically designed for applications in the field of plumbing, heating, and air conditioning (HVAC). With its robust construction made of chrome-vanadium steel, it offers high durability and resilience. The step socket allows for easy installation and removal of radiator valves, thermostat, and drain fittings. With five different sizes (3/8", 7/16", 1/2", 16 mm, and 21 mm), it is versatile and suitable for a wide range of applications. The insert is designed for 1/2" ratchets and provides a precise fit that prevents slipping during use. Weighing only 168 g and featuring compact dimensions, the step socket is convenient and easy to transport.

• Made from high-quality chrome-vanadium steel for increased durability
• Five different sizes for versatile applications
• Specialized for the installation and removal of radiator valves and thermostat fittings
• Compatible with 1/2" ratchets for precise use
• Lightweight and handy, weighing only 168 g.