{"product_id":"shogunate-collector-tachi-clay-tempered-copper-fittings","title":"Unsharpened Patterned-Steel Shogunate Tachi — Clay-Tempered, Copper Fittings","description":"\u003cp\u003eA tachi at 103 cm with 2.2 cm of sori, forged from patterned steel and finished by clay tempering, mounted in copper over a wild rayskin tsuka.\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 workshop supplies this blade as patterned steel. We describe the grain as it appears on the blade, not as a claim about how it was made — no layer count or joining process has been verified, so none is stated. Clay tempering is a differential heat treatment, and the temper line running along the blade is its boundary.\u003c\/p\u003e\u003cp\u003eThe saya is lacquered cypress with copper furniture throughout. Blade 72 cm within a 103 cm overall, 3.2 cm wide and 0.7 cm thick at the base, tsuka 26 cm.\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\u003e72 cm \/ 28.3 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlade width\u003c\/td\u003e\n\u003ctd\u003e3.2 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlade thickness\u003c\/td\u003e\n\u003ctd\u003e0.7 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\u003ePatterned steel, clay-tempered (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\u003eCopper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTsuka\u003c\/td\u003e\n\u003ctd\u003eBound over wild rayskin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSaya\u003c\/td\u003e\n\u003ctd\u003eCypress, lacquered\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSori (curvature)\u003c\/td\u003e\n\u003ctd\u003e2.2 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGrain\u003c\/td\u003e\n\u003ctd\u003ePatterned — described as it appears, not as a process claim\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePolish\u003c\/td\u003e\n\u003ctd\u003eThirteen-stage hand water polish, ground finish (workshop-declared)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cem\u003eHow we specify:\u003c\/em\u003e Dimensions are from the workshop sheet for this SKU. Materials are as declared by the workshop. We publish no hardness figures we have not tested. The edge state is stated as the workshop supplies it.\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":52454648414506,"sku":"SS-68","price":469.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0956\/7459\/7674\/files\/000011_2b35b91a-f8ff-4bb7-aee1-8d015f6d813f.png?v=1788321507","url":"https:\/\/primekatana.com\/products\/shogunate-collector-tachi-clay-tempered-copper-fittings","provider":"PRIME KATANA","version":"1.0","type":"link"}