... light pointer : can indicate the accurate engraving positionWater chiller with condensater: it can cool laser tube by condensater.Water ... Available materials: acrylic, PVC, rubber sheet, plastic, crystal, glass, wood, bamboo, oxhorn figuline, marble, leather, cloth, double-color board, ... and jewelery industry and so on.Standard Parts:Machine with laser tube (60W,80W,150w according to your requirement ...