【FIXL UNIT2 (Set of 2 Units) | Mini 4WD Selectable Units】 ※ After purchase, please let us know your two preferred units in the comments. A new storage system that allows you to freely choose and combine units. Choose only the units you need according to your purpose and arrange them into the configuration that best suits your style. ＜Materials＞ Outer semi-transparent case: Polypropylene Unit inner: ABS resin (3D printed) ＜Size＞ ◇ UNIT Case Each unit case (gray semi-transparent case) Approx. 8.7cm × 7.7cm × 2.2cm ◇ Outer Case 18.1cm × 9cm × 2.8cm ＜Used Case＞ DAISO Case and Case (2-part with lid) inner case ◆ Unit Details ① Battery Unit Can store up to 3 sets of dry cell batteries. Also equipped with a pocket to hold pinion gears. ② Multi-Unit 2-space structure that can flexibly store parts boxes and tools. A highly versatile unit that can securely store difficult-to-organize tools and auxiliary parts. ③ Roller Unit Equipped with dividers compatible with 19mm, 17mm, and 15mm rollers. Arrangement that makes it easy to manage by material and size, and can also store small parts boxes. ④ Parts Unit Two-tiered structure. The lower tier is designed to fit washers and small parts, preventing them from mixing. The upper tier has spaces to organize screws by length, making it ideal for managing by purpose. ※ Shaft storage space at the bottom end ⑤ Motor Unit Stores a total of 4 double-shaft and single-shaft motors. Two pockets for storing gears together. ⑥ Brake Unit Can store square brakes and sponges as they are. Can store brakes that fit three widths. 【Notes】 Due to being 3D printed, layer lines may be visible. Fine scratches may occur on the surface during the manufacturing process. Made of heat-resistant ABS, but prolonged storage in high-temperature environments may cause deformation. Avoid storing in direct sunlight or high-temperature locations such as inside a car. Although new, off-the-shelf cases are used, some scratches may be visible. Please understand that this is not a problem with the specifications.