QuickSwap Engraving Tip + Housing, Silver for Cricut It is suitable for Cricut Maker Machines only. It consists of two parts: Engraving Tip and QuickSwap Housing. The main material is premium carbide steel. It is suitable for flat, soft metal, leather, plastic, anodized or sublimated aluminum. Able to make engraved nameplates, decorations, jewelry, monograms and souvenirs. Maintain a unique and permanent engrave design.