OEM 9 Pc Long Magnetic Ball End Hex Key Wrench Set-Metric. Magnetic ball ends hold fasteners and allow swivel room to turn fasteners. Sturdy holder keeps wrenches organized. Includes sizes 1. 5, 2, 2. 5, 3, 4, 5, 6, 8, 10mm. Color Coded Blue-Metric. Designed for professional auto mechanics and heavy duty applications.