The Blade mark making tool is designed for working with encaustic medium on a Roland HOTbox™ or another hot palette ESA-4 Blade Design 1X 100% Silicone * * My new Blade design will have a white blade and will NOT have a copper wrap In addition to encaustic monotype, the Silicone Blade tool can be used with Alcohol Ink, on a Gelli Printing Plate, and with Fluid Acrylic on Yupo. There are many many different applications. Each Blade mark-making tool is unique and totally handmade by Elizabeth. Sin