Carbon steel 1045 L style wrench , hexagon body with chamfer on the both end , simple design but multiple application . Application attention 1. Hexagon drive of screw must be completely touch with hex wrench for more easy operation with less effort , 2. Short arm and long arm should be designed per required toque , 3. Hex wrench also can be used for set screw . Regarding items C1045 material , Harden treatment , Black or nickel finish . |