Size: 2-3/8"Drive: 3/4"Depth: ShallowMaterial: Chrome Molybdenum Steel With Black Phosphate FinishImpact Duty Rated For Extreme Impact Durability In High-Torque ApplicationsDual-Hole Design And Ring Groove Allow For Easy Socket Attachment And RemovalStamped Markings For Easy IdentificationSix Points Offer More Surface Area In Contact With Hex Material To Be TurnedImpact Sockets Are Designed To Use With Power Tools, Such As An Impact Driver Or Impact WrenchDesigned For Extra Heavy Duty Work