{"type":"firestarter.listing","listing":{"id":"lst_Y-OnV6pU","product_name":"Titanium LeadSlinger® Mechanism","category":"Pencil Mechanism","description":"Due to overwhelming demand, we are excited to offer our new Mechanical Pencil Mechanism a/k/a The LeadSlinger® for individual purchase! \n\nThis page is for our LeadSlinger® Titanium Standard and Safety Lock Mechanism. Every part of our mechanism is made from Grade 5 Titanium down to the button and screw, and 100% built in house. \n\nWe have strategically designed every component of our pen, and pencil down to the mechanism to be completely modular; taking off the limits so that you can customize every one of our products to your liking!Our LeadSlinger® bodies are the same dimension as our Parker format.Why is that detail so amazing?If you have a Parker Ballpoint Ink Pen, you can purchase the LeadSlinger® Tip, and Mech, and convert it to a LeadSlinger®!! (or vice versa)  \n\n\n*Please note*\nWe have an indicator on each pen, and pencil we have machined since the TiButton® was released in 2019, which is the small \"cut\" on the back where the pen body and mechanism meet. \n\nShould you have an older model body, we cannot guarantee the TiButton® or the LeadSlinger® SL will align correctly to the pocket clip. \nYou can email us at: info@nottinghamtactical.com prior to purchasing should you have any questions! \n\n\n\nOur Standard Mechanism &amp; Our SL Mechanism \nWatch How To Interchange Your Pen/Pencil","images":["https://cdn.shopify.com/s/files/1/0051/4614/8898/products/LeadslingerMechanism.jpg?v=1679430723","https://cdn.shopify.com/s/files/1/0051/4614/8898/products/LeadslingerMechanismStandard.jpg?v=1679430723","https://cdn.shopify.com/s/files/1/0051/4614/8898/products/LeadSlingerMechanismSL.jpg?v=1767731860"],"price":75,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:47.765Z"},"share_url":"https://firestarter.network/l/lst_Y-OnV6pU","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_Y-OnV6pU' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Titanium LeadSlinger® Mechanism' and a budget_max comfortably above $75.00 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."]}}