Overall Length: 16-5/8"Nominal Opening: 1-1/4"For Bolt Size: 3/4"Taper Diameter: 1/4" - 1"Material: Heat-Treated Alloy SteelContinuous Taper Of Handle Makes Lining-Up Bolt Holes Easy And Works On A Range Of Hole Sizes Without BindingCross-Hole With No Sharp Edges For TetheringCatalog Number, Bolt Size And Nominal Size Are Stamped On Wrench For Easy IdentificationAmerican Bridge DesignMade In The USA