Each package has 12 pen turning kits with black refills;creating different projects; The sets are enough to share with your family, making your craft more enjoyable The size of this pen turning supplies is suitable, the double-tube design measures about 0.28 inches/7mm, the tube length is about 2.09 inches/53mm, and the minimum blank size required for turning is 5/8 inches x 5/8 inches x 5 inches; This means the kit is and compact, and can be stored comfortably for later projects; The fineliner pen set is composed of iron and brass materials; This material composition not only determines the lifespan of the components, but also prevents them from accumulating rust or breaking; Due to reliable quality, these kits their smooth , easy handling, and long-term use. Unleash your creativity with our woodworking pen kit; this assembly opens up DIY possibilities and inspires imagination; with this kit, crafting is not only a leisure activity, but also an opportunity to develop practical skills while adding excitement and satisfaction to your hobby Pen making supplies do not include a pen lathe, spindle, drill, or wooden blanks; these additional items are necessary for a successful crafting experience and should be prepared separately<br><br>The iron and brass alloy materials the durability of the pen turn kits. Despite frequent use, these kits remain stable and can you for a long time. Dimensions: Double : . 0.28inch/7mm Length: . 2.09inch/53mm Note:It's DIY kits, needs to finish by yourself. Colour:As Shown Material:Metal<br><br>Package Contents: 1 x slimline pen kit(12 pieces/4 colors, 3 pieces each)<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.