Twotrees Expansion Kit for TTS-25 TTS-55 TT-5.5S Laser Engraver Upgrades Engraving Area 420X400mm 600x600mm Upgrade Accessories Kit Size:420*400mm there is a fireproof &

there is a fireproof & anti-laser glass lenses on the module preventing the laser from dazzling your eyes

Lightweight Project

and is not limited by the distance of the USB cable

after rigorous testing at the factory

support Win XP / Win 7 / Win 8 / XP / Win 14 LaserGRBL

Twotrees Expansion Kit for TTS-25 TTS-55 TT-5.5S Laser Engraver Upgrades Engraving Area 420X400mm 600x600mm Upgrade Accessories Kit Size:420*400mm there is a fireproof &Features: Compatible: Twotrees official 600x600mm extension upgrade kit, compatible with Twotrees TT 5. 5S, TTS 55, TTS 25 Laser engraver, but not for TT 2. 5, TT 5. 5. Great Upgrade of the working area: The working area is expanded from 300x300mm to 420x400mm or 600x600mm, which can engrave larger projects. Package includes: 2 Y axis extrusions, 3 X axis extrusions, extension cables, timing belts, bellows, screw tool kit, etc. Upgrades can be done