The K Tool International XDDBM10 5 Piece Metric Reversible Double Box Ratcheting Wrench Set is built for high-performance use in professional and DIY settings. This set includes five double box-end wrenches, each with a 90-tooth reversible ratcheting mechanism that requires just a 4 degree swing arc, making it ideal for tight spaces. The universal spline design accommodates various fasteners, supporting both metric and standard applications. Its 180 degree rotating flex heads provide access to confined areas like engine bays and HVAC systems. Made from heavy-duty materials for durability, it comes in a black organizing tray for neat storage, offering the reliability needed for automotive repairs and machinery maintenance.