... is welcome Multi-Purpose wrench(Hand Tool,Wrench ) all-in-one puts 16 of the most popular standard and metric ... ,19mmSize list(SAE):5/16",3/8",7/16",1/2",9/16",5/8",11/16",3/4 ... it. To start, socket sizes are etched and baked in color into each socket for easy visibility--not imprinted ... standard sockets. For added convenience, a helpful size chart (in both inches and millimeters) on the back of the ...