This BGS TECHNIC - 5269 Spiral Socket Set consists of 16 different sized sockets in 12.5mm square so you can easily and efficiently loosen any nut as well as defective and damaged screw heads. The innovative spiral profile engages the screw head and allows for safe and easy loosening of the locked hexagon. Made of chrome-molybdenum steel, these sockets provide durability for heavy-duty 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 Strong and durable sockets for intensive use Features: Wrench/screwdriver sockets, square 12,5 mm (1/2"): 8 - 10 - 11 - 12 - 13 - 14 - 15 - 16 - 17 - 19 - 21 - 22 - 24 - 27 Gross weight: 1.3 kg Composition : Chrome-molybdenum steel Dimensions set (WxDxH) : 21,5 x 14 x 14 cm Packaging: One Set of BGS TECHNIC spiral sockets - broken screw extractor - 12,5mm (1/2") - 8/27mm - 16 pcs - 5269Delivered in their original packaging