Craftsman 131 Piece Max Axess Alloy Steel Mechanic's Tool Set with Case Features 79 sockets, 20 wrenches, 22 hex keys, 3 quick-release ratchets and more Includes some of the most common drive sizes: 1/4, 3/8 and 1/2 inches Features 10 new Max Axess wrenches Long pattern provides better torque Extension bars improve access