Combination Wrench Set; Black Oxide Finish; Off-Set Handle Type; Includes Tool Roll; Forged Alloy Steel Material; Inch Measuring System; 12 Number of Points; 3/8" and 7/16" and 1/2" and 9/16" and 5/8" and 11/16" and 3/4" and 13/16" and 7/8" and 15/16" and 1" and 1-1/16" and 1-1/8" and 1-1/4" Nominal Opening Size; Open/Box Opening Type; Proto