The wood blanks come in two sections (1 1/2 x 1 1/2 x 4" and 1 1/2 x 1 1/2 x 2") and have been pre-drilled for you. All you need is a Lathe, Turning Tools, and the reusable 3000 HUT Turning Kit. Instructions are included with each kit. Blanks can be turned on a standard 7mm Double Pen Mandrel.