The Klein 3146A Lineman's Wrench is forged from special bar steel and heat-treated for long life. The Klein 3146A Lineman's Wrench has two different size openings on each end. The Klein 3146A Lineman's Wrench hole is provided at larger end for turning-in standard pole steps. The Klein 3146A Lineman's Wrench is suited for use on the heavy three-bolt guy clamps on which clearance is limited. The Klein 3146A Lineman's Wrench has a dark blue painted finish. The Klein 3146A Lineman's Wrench is 13-Inch long. The Klein 3146A Lineman's Wrench is for 3/4-Inch hardware; the large end has 1-1/16-Inch and 1-5/16-Inch openings; the small end has 5/8-Inch and 7/8-Inch openings.