You are Buying a Brand New And factory Sealed Duralast 3/8in Drive Quick Release Round Head Ratchet # 51-100. PRODUCT DESCRIPTION The Duralast round head ratchet is made with chrome alloy steel that provides the best performance for the toughest jobs. Quick release button on head of ratchet allows for easy release of sockets and accessories 40-tooth ratchet allows greater torque to be applied to the ratchet Chrome finish provides corrosion resistance and added durability Forged Alloy Steel heat treated for superior durability and strength Chamfered square drive lead-in helps provide fast and easy placement of sockets and accessories onto drive Meets or exceeds ASME standards.