Line Punch, Length (In. ) 8 in, Tip Size (In. ) 1/8 in, Hex (In. ) 5/16 in, Not Tether Capable, 1-Piece Design, Steel Construction, Black Oxide Finish, Used to Align Holes Through Which Rivets, Pins or Bolts Will Be Inserted, Meets/Exceeds ASME B 107.410 -2008