EK SUCCESS-Create Your Style: HotFix Crystal Tool. Use this tool to apply HotFix crystals to fabrics for instant glitz and glam! It is small and battery operated meaning you can use it just about anywhere on just about any project! This package contains one HotFix application tool, overall measurements are 7-1/4x1-1/2x3/4 inches. HotFix crystals sold separately. Requires three AA batteries (not included). Imported.