Overview : Presentation: This BGS TECHNIC - 5262 Spiral Socket Set consists of 5 x 15cm 12.5mm square sockets so that you can easily and effectively loosen any nut as well as defective and damaged screw heads. The innovative spiral profile engages in the screw head and allows for safe and easy loosening of the locked hexagon. These sockets are suitable for wrenches and screwdrivers and are also available with release pins. Made of chrome-molybdenum steel, these sockets provide durability for heavy use. Choose quality tools from a traditional family business with strong values, which has been offering a wide range of mechanical tools for almost 50 years. German quality to boot! Advantages: Professional quality sockets Double use: loosens nuts + defective screw heads Suitable for wrenches and screwdrivers Strong and durable sockets for intensive use Features: Wrench/screwdriver sockets, length 150 mm, square 12,5 mm (1/2"): 17 - 19 - 21 - 22 mm Gross weight: 1.6 kg Composition: