SpringTools IDRK905 Professional Grade 48 Piece ID Stamper & Recoining Kit Permanently Mark Any Mild Steel or Other Hard Surfaces with I.D. Stamper Set. Ideal For Marking Components During Teardown AND Re-assembly. Perfect in Tight Spots This Kit is Excellent for Anti Theft Identification and to Permanently Mark Tools and Other Property. The Interchangeable Bits are Marked with Their Associated Character for Easy Alignment Special Hardened Tips Re-Coin Damaged Fasteners. Impact Driver also Loosens Stuck or Corroded Fasteners! Center Punch is Ideal for Marking Wood Or Steel for Drilling. Guaranteed To Never Have Your Drill Wander Off spot Mark Again. All SpringTools Impact Tools Are Made In The USA And Are Guaranteed For Life.