The 51a socket inserts from Stahlwille are high-quality tools designed for professional applications. These inserts are manufactured in both metric and imperial sizes and comply with various international standards, including DIN 3124 and ASME B 107.1. They are made from HPQ high-performance steel and are chrome-plated, enhancing their durability and resistance to corrosion. With a socket size of 1 1/8" and a drive size of 1/2", these socket inserts are versatile and suitable for a variety of applications in the automotive and mechanical engineering industries. The inserts are packaged conveniently in sets of five, making them an efficient choice for workshops and professional users.

• Made from HPQ high-performance steel for increased durability
• Chrome-plated surface for corrosion protection
• Complies with international standards such as DIN 3124 and ASME B 107.1
• Versatile use with a socket size of 1 1/8"
• Delivered in a convenient pack of five inserts.