Package Included--You will receive 2pcs honeycomb ceramic soldering boards in rectangle shape, 2 sizes, 1pc/size, different sizes to meet your different needs Size Details--The size of the rectangle ceramic soldering board is about 163x72x13mm/6.4x2.8x0.5 inch, the other one is 134x93x13mm/5.3x3.7x0.5 inch, needles about 25x2mm/0.98x0.08 inch Quartz Material--The soldering board is made of quartz, which is lightweight and can reflect heat. And the needle is made of stainless steel, can be used for a long time Easy to Use--The honeycomb soldering board is designed with holes to hold pins, which can effectively hold the jewelry on the the honeycomb bed. You can use it to prevent desktop burns, and reduce your loss Wide Applications--These welding accessories are suitable for gold and silver jewelry soldering processing, melting casting gold processing or other complex DIY processes and maintenance tasks OLYCRAFT Honeycomb Ceramic Soldering Boards The soldering board is made of quartz You can use it to prevent desktop burns, and reduce your loss