Brand new 8pcs 3/4 Inch Drive Deep Spindle Axle Nut Impact Socket Set which is made of drop forged, heat treated chrome molybdenum steel(cr-mo) with a corrosion-resistant black phosphate finish, engineered for use with impact drivers and wrenched. Each socket has a 6-point opening that fits the hex shape of fastener heads, allowing it to apply maximum torque without slipping. Size included 1″, 1-1/16″, 1-1/8″, 1-1/4″,1-5/16″,1-3/8″,1-7/16″ 1-1/2″ Material: chrome molybdenum steel(cr-mo) Drive: 3/4” Overall length: 3-1/4” Heavy Duty Case included