This is a woodturning project kit; Hardware parts only; A LATHE IS NEEDED TO 'TURN' A HANDLE AND ASSEMBLE INTO FINISHED SEAM ROLLER; Blanks, bushing set, drill bit and all other turning tools and supplies are not included. Features a 7 millimeter single tube design; Minimum blank size needed to turn is 7/8" x 7/8" x 4-1/8". Compatible with bushing set PKSROLLBU; Parts are made from spring steel with a rounded, acrylic wheel. After making the handle on a lathe and assembling the parts, the overall finished length will be appoximately 4-7/8" long. When completed, you'll have a useful tool for quilting, sewing, or paper piercing; Press down and roll to create fast, crisp, flat seams; Can also be used to help make greeting cards, bags, and a variety of other craft projects.