{"product_id":"deep-curve-collector-tachi-1060-mirror-polish","title":"Unsharpened Deep-Curve Collector Tachi — 1060 Steel, Mirror Polish","description":"\u003cp\u003eSix centimetres of sori give this tachi a far deeper curve than anything else in the catalog, and a high mirror polish carries the light along it from koiguchi to ko-maru kissaki. The yokote is a polished line rather than a formed ridge. Forged in Longquan through the workshop's stated sequence of billet work, hot forging, filing, quenching, tempering and hand polishing. Supplied unsharpened, on a lacquered hardwood saya.\u003c\/p\u003e\u003cp data-pk-edge-state=\"unsharpened\"\u003e\u003cstrong\u003eUnsharpened collector configuration.\u003c\/strong\u003e Sold and fulfilled unsharpened for adult collection and display only.\u003c\/p\u003e\u003cp\u003eThe blade measures 73.4 cm and tapers from 3.21 cm to 2.5 cm in width and from 0.77 cm to 0.51 cm in thickness. The yokote is a polished line rather than a formed ridge, and the kissaki is a ko-maru form.\u003c\/p\u003e\u003cp\u003eForged in Longquan by the workshop’s stated sequence of billet work, hot forging, filing, quenching, tempering and hand polishing. Total weight 1.4 kg with the saya, 1.0 kg without.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall length\u003c\/td\u003e\n\u003ctd\u003e103 cm \/ 40.6 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlade length\u003c\/td\u003e\n\u003ctd\u003e73.4 cm \/ 28.9 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlade width\u003c\/td\u003e\n\u003ctd\u003e3.21 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlade thickness\u003c\/td\u003e\n\u003ctd\u003e0.77 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTsuka length\u003c\/td\u003e\n\u003ctd\u003e26 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlade steel\u003c\/td\u003e\n\u003ctd\u003e1060 carbon steel (workshop-declared)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEdge\u003c\/td\u003e\n\u003ctd\u003eUnsharpened, for display\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFittings\u003c\/td\u003e\n\u003ctd\u003eZinc alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTsuka\u003c\/td\u003e\n\u003ctd\u003eSynthetic rayskin tsuka\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSaya\u003c\/td\u003e\n\u003ctd\u003eHardwood, lacquered\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSori (curvature)\u003c\/td\u003e\n\u003ctd\u003e6 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTaper\u003c\/td\u003e\n\u003ctd\u003e3.21 → 2.5 cm width, 0.77 → 0.51 cm thickness\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYokote\u003c\/td\u003e\n\u003ctd\u003ePolished line, not a formed ridge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKissaki\u003c\/td\u003e\n\u003ctd\u003eKo-maru\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.4 kg with saya \/ 1.0 kg blade only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cem\u003eHow we specify:\u003c\/em\u003e Dimensions, materials, construction details and any stated weights are workshop-declared for this SKU. Approximate weights remain subject to physical verification. We publish no hardness figures we have not tested. This listing is for the unsharpened configuration offered for sale and fulfillment.\u003c\/p\u003e\u003ch3\u003eCare\u003c\/h3\u003e\n\u003cp\u003eWipe the blade with a light machine oil after handling. Store horizontally, edge up, away from humidity.\u003c\/p\u003e\u003ch3\u003eIntended use and safety\u003c\/h3\u003e\n\u003cp\u003eThis blade is sold and fulfilled unsharpened for adult collection and display only. It is not designed or sold for use against any target or person. Adults 18+ only. Check local laws before purchase, transport, display, or storage.\u003c\/p\u003e","brand":"Prime Katana","offers":[{"title":"Default Title","offer_id":52454640255274,"sku":"SS-56","price":249.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0956\/7459\/7674\/files\/000011_52a8cdb8-ef62-4835-b4e2-22d2c05fcad4.png?v=1788321452","url":"https:\/\/primekatana.com\/products\/deep-curve-collector-tachi-1060-mirror-polish","provider":"PRIME KATANA","version":"1.0","type":"link"}