Tungsten Carbide Tip Scriber Aluminum Etching Engraving Pen with Clip and Magnet for Glass/Ceramic/Sheet Metal, Extra 1 Free Replacement Marking Tip OOTDTYFuction:Features a durable tungsten carbide tip, aluminum body, so it works effortlessly on hard materials, including hardened steel, stainless steel, ceramic, and glass. The disposable tungsten carbide briquette tip is more durable than others, not easy to drop. Permanent magnet on the etching tool picks up small parts and picks up steel chips from hard-to-reach placesScribe tool point is replaceable, each pack includes 1 free replacement carbide tip for use Note:Item color displayed in photos may vary slightly when showing on computer monitor since monitors are not calibrated same. Please allow 1-3mm slight deviation due to manual measurement. Thank you! Package Included:1 * Scriber Tip1 * Carbide Tip Replacement