Tools and Materials › Ultra Soft Refractory Board 6" x 6" x .5" Image 1 of 1 Ultra Soft Refractory Board 6" x 6" x .5" $8.00 Limit 4 per order Ultra soft refractory board for soldering and holding components in place Add To Cart Added! Limit 4 per order Ultra soft refractory board for soldering and holding components in place