Features 1、[Enhanced Engraving Performance] The pack comes with 2 replacement lenses, providing improved engraving results while ensuring an extended lifespan for your engraving machine. 2、[Suitable for TTS 10 PRO] Specifically designed for use with for TTS 10 PRO engraving machine, these lenses are ideal for enhancing the capabilities of your equipment. 3、[High Transmittance] The lenses boast high transmittance to minimize energy loss, ensuring high power output during machine operating for efficient and effective engraving. 4、[Smoke Resistant] The lenses are reinforced to resist damage from smoke, allowing for regular cleaning with alcohol to recover their high transmittance and maintain optimal performance. 5、[User Friendly Design] Easy to replace and install, these lenses feature a user friendly design that allows for simple maintenance and upgrades for your laser engraving machine. Specification Item Type: Replacement Lens for TTS 10 PRO Material: Glass Application: for TTS 10 PRO Engraver Package List 2 x Replacement Lens for TTS 10 PRO