This is a spacer specifically designed for a silicone chalk case. The material is ebony. To prevent small chalk pieces from falling out, a small piece of leather to be inserted between the case and the chalk is included. This is completely handmade by an amateur. Therefore, right angles, levelness, size, thickness, etc., are not perfectly uniform. *There is a slightly smaller version available. (If you are concerned about the size, please confirm in the comments.) *If the chalk becomes small and you use a thick spacer, the friction with the silicone case will decrease, and it will be more likely to fall out. Since this is used in a place that gets dirty, water-based urethane varnish has been applied to each surface more than 5 times. If you are looking for perfection or are very particular, please refrain from purchasing. Please purchase only if you are satisfied. There is one medium-thickness purpleheart spacer remaining. If you want one, please comment. From the product comments, please specify the thickness, quantity, and any requests. I will create a dedicated page, so please make your purchase. Since the quantity is limited, I will not be able to fulfill requests once they are gone. ●For those who want 2 or more? If you want multiple, from the second one onwards (ebony is also acceptable) it's +1100 yen per piece. The second one, one low-thickness (ebony is also acceptable) OR, purpleheart limited, with the end grain being the wider surface, is +900 yen for the set. The second one can be ebony. While supplies last, it's first-come, first-served, and I will accommodate your requests. Example: I want one with a beautiful color. I want a smaller one. etc...