Ideal for holding pins to keep work in place while solderingMade of non-asbestos ceramicVery lightweight and reflects heatWithstand temperatures up to 2000 degrees Fahrenheit3-7/8 inch by 5-5/16 inchPopular honeycomb design holds pins to keep work in place while soldering. Made of a non-asbestos ceramic, the board is very lightweight and reflects heat. Can be used with heat up to 2,000 degrees Fahrenheit. 3-7/8" x 5-5/16".