U.G. PEN, WARM GREY TM611 3/8" - 3/4" Cone 6: Warm Grey color

Cone 6: Warm Grey color remains strong and vibrant

You can spread it with your finger or with other tools

Made of die cast aluminum

Common glaze colorant

U.G. PEN, WARM GREY TM611 3/8" - 3/4" Cone 6: Warm Grey colorGlaze in the Laguna Underglaze Pen Series. Available in 1 fl. oz. applicator pens and 2 fl. oz. refills. Laguna Underglaze Pens were developed for cone 05 and 06 firings, however most of the colors do quite well at much higher temperatures. Our own testing has yielded the following results: Cone 06 04: Warm Grey color remains strong and vibrant. Cone 6: Warm Grey color remains strong and vibrant. Cone 10: Warm Grey color remains strong and vibrant.