and remarkably durable

This mat is flying off the shelf like Frisbee's

Tiny low-conductive targets

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6Pc Precious Metals & Ring Marking Stamp Set with Stand & Hammer - 10k, 14k, 18k, SS, Platinum, Sterling F22 and remarkably durableIncludes Stand and Hammer 6 Metal Ring Markers: 10k, 14k, 18k, SS, Platinum, Sterling. Material of Punches: EN31 Carbon Steel Includes Lightweight Dual Headed Nylon Hammer Used for Marking Non Ferrous or Precious Metals Bent Stamp for Marking Inside Ring Shank Instructions: Position the stamp on the item and strike with the included hammer.