Note Honeycomb panel size measurement method includes black border Features 1 The honeycomb board has a thick all metal structure for high precision and durability 2 It allows for fast heat dissipation during the carving process 3 It has high definition scale lines for quick measurement 4 It provides double protection for the desktop from laser damage 5 It helps protect the laser module from reflection damage 6 It is suitable for CO2 diode and fiber laser engraving machines