Crescent mechanics tools are made from chrome vanadium steel alloy specially formulated and heat-treated for high strength and superior resistance to abrasion and corrosion.Laser markings for easy identificationExceeds ASME specificationsFor use with impact driversDeep wellCorrosion resistant black oxide coating6 point1/2″ DriveSizes range from 7/16″ – 7/8″8 piece setCrescent Quality tools get jobs done faster and increase overall productivity. Crescent mechanics tools are made from chrome vanadium steel alloy, specially formulated and heat-treated for high strength and superior resistance to abrasion and corrosion SCKT 8PC IMP1/2″DR SAEDPBrand Name: CrescentSocket Size: Assorted in.Drive Size: 1/2 in. driveMetric or SAE: SAENumber of Points: 6 PointProduct Type: Deep Impact Socket SetNumber in Package: 8 pcMaterial: SteelPackaging Type: CardedImpact Rated: NoCorrosion resistant black oxide coatingExceeds ASME specificationsIncludes size: 7/16″-7/8″Laser markings for easy identification