Armstrong 33-372 2-1/4 Black Oxide 12 Point Straight Pattern Slugging Wrench USA Locknut kit 17mm Diameter x 1" Depth

17mm Diameter x 1" Depth of Cut

5/16" (8mm) Jacobs® Keyless Chuck

High Tension technology for tightening the blade to 30

Center-ground jaws provide absolute straightness and alignment

Aeronca x 75

Armstrong 33-372 2-1/4 Black Oxide 12 Point Straight Pattern Slugging Wrench USA Locknut kit 17mm Diameter x 1" DepthArmstrong 59 355 55mm Black Oxide 12 Point Straight Pattern Slugging Wrench USA Armstrong brand wrenches feature precise geometry for an exacting fit and are designed to withstand the toughest conditions from factory floors to the U. S. Military. Features: Hardened for extra strength Withstands stress under impact Prevents rounding of fasteners' corners "Lobular" design exerts force on flats of fasteners Chamfered opening slips easily over fasteners