(Requests Received) ・Size Can I set 6-hole paper with dimensions of 105mm wide x 138mm long? (Assuming the Rollbahn M ring is removed and a 6-hole set is used) If it's not enough, is it possible to change the width to match the above paper size? ・Refillable Pen Holder Is it possible to change the size to match the above paper? ・Left and Right Mini Pockets I want to confirm if my cards will fit, so I'd like to know the size of the cards that can be inserted. The card size is: Hobonichi Template 94mm long x 63mm wide x 0.5mm thick I want to confirm if it will fit. (Product Information for Reference) [This is for custom order acceptance] This is an M6 size system notebook. It comes with a refill that can accommodate a Traveler's Notebook. The sample leather shown is the popular Alaska Leather Black. ♪ Main Standard Specifications The ring is screw-type and removable. The head of the screw is visible from the spine. Ring guards and large pockets on the left and right sides are included. ※ The ring hardware 1000 (estimated) is subject to change based on procurement costs, and the actual cost at that time (including fees) will be added. The following are options (additional fees): Costs are estimates. They may vary depending on the content. ・Left and Right Mini Pockets 1000 ・Refillable Divider 1000 ・Refillable Pen Holder 1500 ・Protective Sheet Adoption 2200 This is an extended version of the ring guard. By inserting it into the left and right pockets, the head of the ring hardware will not be visible from the spine. It is removable, so it can also be used as a notebook cover. Note that the ring guard will not be included when adopted. ・Size Change 1000 The overall size is designed with a 20mm ring diameter as standard, but it can also be changed to 15mm or 30mm as an option. ♪ You can choose from various Italian leathers for the material. Please refer to the following for samples. https://jp.mercari.com/item/m60534177198?afid=0769274469&source_location=share&utm_medium=share&utm_source=ios ※ Please comment before ordering as the leather may not be in stock.