WR CROWFOOT 3/8 DR 3/4 F Side lock holeReduces risk of fastener roundingApplies more torque to fastenerHigh strength, thin wall design No. of Points: 12Drive Size: 3/8 inDrive Type: SquareOpening Size: 3/4 inOpening Type: FlareHead Thickness: 23/32 in (opening side)Locking Type: BallMaterial: Forged Alloy SteelFinish: Nickel ChromeMeasuring System: InchWt.: 0.10 lb