This item is a pre-owned, used, and refurbished to full capability. It is a Synrad brand air cooled laser 10 watt 48-1 model. It fits as a replacement for GRAVOGRAPH LS-700 laser engraving machines with a 10 watt Synrad laser. It is the same laser as is installed in the machines, and gas refilled.
 
One year warranty on this laser.