Rely on Martha Stewart Tools to help you through all your crafting projects. Whether you're trimming, cutting, measuring, punching, and more you can depend on the Martha Stuart line of crafting tools to help you out. Scoring Board- Score flawless, crisp lines in seconds. Create invitations, envelopes, gift boxes, and more. Includes envelope guide, bone folder and instructions. It is approximately 13"x 14 1/4"x 5/8".