This BGS TECHNIC Hex Socket Set - 12,5 mm - 11 pcs - 9106 includes 11 sockets ranging from 10 to 21 mm. With a 12.5 mm (1/2") square drive, they are made of chrome vanadium steel for maximum efficiency and strength. The hexagonal push profile ensures a perfect grip. Choose quality tools from a traditional family business with strong values and a focus on expertise. For almost 50 years, BGS TECHNIC has been offering a wide range of tools, which are expanded daily. German quality to boot! Advantages: Hollow square drive profile for optimum holding power Strong and durable sockets for intensive use Optimal storage on metal rail Features: Wrench sockets, square 12.5 mm (1/2"): 10 - 11 - 12 - 13 - 14 - 15 - 16 - 17 - 18 - 19 - 21 mm Push profile: hexagonal Drive profile: hexagon socket Material: Chrome vanadium steel Surface treatment: Chrome-plated, matt Packaging: One set of BGS TECHNIC hexagon sockets - 12.5 mm - 11 pcs - 9106Delivered in original packaging