Product Description Structural wrench heads are offset from handle to permit clearance of obstructions From the Manufacturer Get a good grip with the Wright Tool wrightgrip 11 piece full polish combination set. Wrenches are included in 3/8 inch, 7/16 inch, 1/2 inch, 9/16 inch, 5/8 inch, 11/16 inch, 3/4 inch, 13/16 inch, 7/8 inch, 15/16 inch and 1 inch.