Bundle, 5 Items : The Etching Tool + Set of 2 Anodized Aluminum Blanks + Pen Holder + Marker Holder + Pilot Precise V5 Pen [CRICUT Explore / Explore Air/Air 2 Models] Bundle, 5 Items: The Etching Tool + 2 Anodized Aluminum Blanks + Pen Holder + Marker Holder + Pilot Precise V5 Pen For use in the Cricut EXPLORE and EXPLORE AIR/AIR 2 (Does NOT work in Explore ONE) Holds Pens up to 3/8" in diameter for the Pen Holder and Markers/Pens up to 1/2" for the Marker Holder The Etching Tool etches/engraves metal clay slabs, metal (not hard metals like steel/stainless steel), stencils, plastics/acrylics, some glass, more... Made in the USA - Aluminum Blanks, The Etching Tool: Carbide Tip & Aluminum Housing | Pen Holder: Aluminum Housing | Pilot Pen: Made in Japan