Feature:1. Easy to Replace and Install: This engraver module lens is suitable for TWOTREES TTS55 PRO engraving machine, and adopts a user friendly design for convenient replacement and installation.2. High Transmittance Rate: The engraving machine lens has high transmittance rate, which can minimize energy loss and ensure high power during the running of the engraving machine.3. Oil and Smoke Proof: The surface of the engraver lens is reinforced to prevent oil or smoke from damaging the lens. You can regularly wipe the lenses to restore their high transmittance.4. Replacement Parts: These transparent lenses not only enhance the engraving effect, but also greatly extend the service life of the engraving machine, making them ideal replacement parts.5. Convenient Use: Equipped with 2 pieces spare lenses for replacement, features a compact size and lightweight design, making it convenient to install and use, meeting more engraving needs.Specification:Item Type: Engraving Machine LensMaterial: GlassApplication: For TWOTREES TTS-55 PRO Engraving Machine.Package List:2 x Engraving Machine Lens