Craftsman 9-33870 170 Piece 6-Point Master Mechanic's Tool Set. The Craftsman 9-33870 170 Piece 6-Point Master Mechanic's Tool Set includes 170 Piece 1/4-Inch, 3/8-Inch, 1/2-Inch Drive Mechanics Tool Set in Standard and Metric Sizes Includes 126 Drive Sockets, 7 Drive Tools, 23 Wrenches, 14 Miscellaneous Tools, Tools Only.