Sunex 213m 1/2-Inch Drive 13-mm Impact Socket Forged from the finest chrome molybdenum alloy steel-the best choice for strength and durability Radius corner design-to extend the life of fasteners The design drives the side of the fastener instead of the corner Designed for removal of drive shaft in limited clearance applications on Ford, Mustang, Crown Victoria, Taurus, Explorer, Expedition, Excursion, Ranger, F150, and Mercury equivalents from 1980s to present 1/2-Inch drive, 13mm impact socket