SK 342 1/4-to-3/4-Inch Standard Offset Ratcheting Box End Wrench Set, 4-Piece Four fractional offset ratcheting box-end wrenches made in the United States SureGrip hex design drives the side of the fastener, not the corner Provides smooth, easy ratcheting action and superb performance; reversible to avoid repositioning the wrench Packaged in a convenient pouch Wrenches measure 1/4-by-5/16-Inch, 3/8-by-7/16-Inch, 1/2-by-9/16-Inch and 5/8-by-3/4-Inch