Score flawless, crisp lines in seconds when creating mini-books, invitations, envelopes, gift boxes, and more.•Includes an envelope guide with a convenient storage slot •Includes bone folder and storage compartment for your bone folder and pens•Features measurement guides along the top and side to 12-1/2-inch in 1/8-inch increments with groves every 1/8-inch for detailed scoring •Measures 14 x 13 inches