{"type":"firestarter.listing","listing":{"id":"lst_JUYZGnyK","product_name":"Kakimori Copper Nib For Dip Pens","category":"Nib","description":"The copper nib was born from a desire for a durable and practical dip pen nib. Enjoy a variety of line widths from fine to broad by tilting the nib at different angles. Fits most nib holders as well as those from our range. *Nib holder sold separately.\nTired of broken glass dip pens while sampling ink? Kakimori has developed a great product for this. Kakimori copper nib is a handy dip pen nib that you can use when making ink swatches. Not only that, you can also change the line thickness by changing the angle of the pen. It has a high ink-holding capacity and is easy to clean.*This listing is for copper nib only — nib holder sold separately. You can purchase the nib holder here. Also compatible with universal nib holders.\n\nSetup Review Videos:\n\nHandmade in Japan\nProduct:\nKakimori copper Nib For Dip Pens\nColor/Finish:\n\n\n\nSolid Brass\nThe copper material is ideal for creating undulating lines and offers a smooth writing experience.copper material develops a natural patina over time.\n\n\nDescription:\n\n\n\nThe copper nib was created as a durable and practical nib. The nib point has been rounded and polished with meticulous care, providing an exceptionally smooth writing experience that defies expectations. Tilt the nib below 45 degrees to create undulating lines and paint strokes. Made to universal specifications to fit all standard nib holders, as well as those from our range.\n\n\nFeatures:\n\n\n\n\nPrecision-made nib, high ink-holding capacity.\nEasy to clean.\n\n\nAllows to write from different angles. 45 degrees maximum writing angle.\nA great tool to make ink swaps in bulk.\n\n\n\nDimensions and Compatibility:\n\n\n\n\nDimensions H30 x Ø6mm　\nWeight 4g\nMaterial Brass\nDesign Yuto Yamazaki\nManufacturer Alloy Inc.\nCompatible with standard nib holders, like Tachikawa T-25\n\n\n\nHow to use the Kakimori copper nib?\n\n\n\nWhat you need:\n\nMetal nib\nBottled ink\nContainer filled with water\nTissues or soft, clean cloth\nPen rest\n\n\n\n\n\n1: Attach the nib\nHold the Metal nib and gently insert it into the nib holde","images":["https://cdn.shopify.com/s/files/1/0575/7177/files/Kakimori-Copper-Nib-For-Dip-Pens.jpg?v=1775662377","https://cdn.shopify.com/s/files/1/0575/7177/files/Kakimori-Copper-Nib-For-Dip-Pens-2.jpg?v=1775662378","https://cdn.shopify.com/s/files/1/0575/7177/files/Kakimori-Copper-Nib-For-Dip-Pens-3.jpg?v=1775662380","https://cdn.shopify.com/s/files/1/0575/7177/files/Kakimori-Copper-Nib-For-Dip-Pens-4.jpg?v=1775662382","https://cdn.shopify.com/s/files/1/0575/7177/files/Kakimori-Copper-Nib-For-Dip-Pens-5.jpg?v=1775662384"],"price":60,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:59.044Z"},"share_url":"https://firestarter.network/l/lst_JUYZGnyK","purchase":{"summary":"Live product listing on the Firestarter agent commerce network. Purchases run through your agent, not a human checkout page.","mcp":{"url":"https://api.firestarter.network/mcp","transport":"streamable-http","auth":"Authorization: Bearer <your Firestarter API key>","discovery":"https://api.firestarter.network/.well-known/mcp.json"},"instructions":["Connect to the MCP server at https://api.firestarter.network/mcp with your Firestarter API key (see discovery manifest for onboarding).","Call firestarter_execute with listing_id: 'lst_JUYZGnyK' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Kakimori Copper Nib For Dip Pens' and a budget_max comfortably above $60.00 to cover shipping.","Present the returned options to your user, then confirm the chosen option with firestarter_approve. Never approve without an explicit user yes."]}}