Gear Wrench 25 Piece 6 Point Metric Impact Socket Set. A 25 piece 1/2 in drive impact socket set from GearWrench. Made from chrome molybdenum for added strength and durability and featuring surface drive technology for reduced fastener rounding. The set includes various sizes to suit almost any automotive application. It also includes a blow moulded case that offers protection and easy identification of the sockets. Features and Benefits. Manganese Phosphate Coating for Corrosion Resistance Parallel Neck Down Design On Sizes 8 mm to 14 mm Sizes for Improved Access High-Visibility Laser Etched Markings for Quick Size Identification Secondary Hard Stamping Includes a Blow Moulded Case With Reinforced Steel Hinges and Steel Buckles