| Seller | Tonbo8 CO,LTD. |
| CEO | Tetsuro Koyano |
| Address | Nakamura Building 4F 5-10-14 Shinjuku Shinjuku-ku Tokyo, 160-0022, Japan |
| Phone | +81) 3-6457-6411 |
| info@ninjaweaponmuseum.jp | |
| Website | Ninja Weapon Museum Shop |
| Payment method | Credit Card(Stripe) or PayPal Visa/Mastercard/JCB/American express/Discover/Diners Club International/UC/MUFG CARD |
| Bank Transfer | Available on request |
| Sales price | listed on each item |
| How to order | Via Internet |
| Sales amount | Not specified |
| Delivery Time | 1-2 weeks after the payment is completed （if ordered from abroad, this delivery time differs.) |
| Refund/Exchange | Only when received an item with manufactural defects/ wrong item |
| Possessed qualification | Japanese antiquary’s qualification 30436107445 issued by Tokyo Metropolitan Public Safety Commission. |