ITEM NAME:1pcs SOLDERING BOARD CERAMIC HONEYCOMB SOLDER BOARD HEATING Diameter 80mm.Honeycomb Soldering Board is a lightweight ceramic that is perforated like a Honeycomb pattern, contains tiny holes to reflect heat. CERAMIC HONEYCOMB SOLDERING BOARD. The Honeycomb holes also provide anchor points for pins or wires, used to hold parts in place on the surface.