The Blending Tool w/Replacement Sponge (1 1/4" x 1 1/2") is a handy, interchangeable tool head for the Sizzix Multi-Tool (Sizzix Multi-Tool sold separately). The Blending Tool head is an angled sponge head for optimized blending, the Blending Tool head is perfect for coloring stencils, embossed cardstock and other surfaces. The hook-and-loop fastening makes it simple to swap blending sponges when changing colors or mediums. Sponges have a diameter of 1 1/4" and can be washed repeatedly to extend their use. The Blending Tool head comes with two blending sponges, and refills are sold separately. To use this tool head you will require the Sizzix Multi-Tool sold separately.