Teng TT9015HX 3/8" 1/2" Drive Impact Hex Bit Socket Set (15 Pieces) The Teng TT9015HX Impact Hex Bit Socket Set is a 15-piece set designed for heavy-duty use with power tools. Made from durable chrome molybdenum, the set is compliant with DIN3129 standards and designed to work with a retaining pin and ring for secure attachment. The set includes both 3/8" and 1/2" drive hex impact socket bits, organized in a tool tray module (TT1) for easy storage and organization. The set comprises 8 hex impact socket bits (1/2" drive) in sizes ranging from 5mm to 19mm, and 7 hex impact socket bits (3/8" drive) ranging from 4mm to 12mm. The tool tray measures 142 mm in width, 265 mm in depth, and 50 mm in height. TT9015HX Features: - Chrome molybdenum for use with power tools - DIN standard.