SCKT3/8″DR 10MM 12PTBrand Name: CrescentAdapter: !/2″ to 3/8″Socket Size: 7mm8mm10mm11mm15mm16mm17mm18mm19mm21mm22mmDrive Size: 3/8 in. driveMetric or SAE: MetricNumber of Points: 12 PointStyle: StandardProduct Type: SocketNumber in Package: 1 pcMaterial: Chrome Vanadium Alloy SteelPackaging Type: CardedLength: 1.69 in.Impact Rated: NoSpecially formulated and heat-treated for high strength and superior resistance to abrasion and corrosion