{"product_id":"c-hook-spanner-wrench-38-72mm-round-nut-non-slip-handle","title":"C Hook Spanner Wrench 38–72mm Round Nut | Non-Slip Handle","description":"\n\u003ch2\u003eC Hook Spanner Wrench – Precision-Forged for 38–72mm Round Nuts\u003c\/h2\u003e\n\u003cp\u003eGet the grip and torque you need for round nuts, collet chucks, and water meter covers with this professional-grade C Hook Spanner Wrench. Built from drop-forged carbon steel and heat-treated to 45–48 HRC, this half-moon hook wrench delivers lasting durability and precise fitment across a wide range of round nut sizes.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrop-Forged Carbon Steel\u003c\/strong\u003e – Wear-resistant construction handles demanding workshop and machinery applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e45–48 HRC Hardness\u003c\/strong\u003e – Heat-treated and electrophoresis-finished for enhanced corrosion resistance and long service life.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBlack Oxidized Finish\u003c\/strong\u003e – Provides a sleek, professional appearance while protecting against rust.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnti-Slip Rubber Handle\u003c\/strong\u003e – Ergonomic, comfortable grip keeps the wrench secure in your hand during use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Size Range\u003c\/strong\u003e – Fits round nuts from 38–72mm across four size variants: 38–42mm, 45–52mm, 55–62mm, and 68–72mm.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Application\u003c\/strong\u003e – Ideal for tightening or loosening round nuts, collet chucks, and water meter covers on machine tools and industrial machinery.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy to Use\u003c\/strong\u003e – Simply select the correct size for your nut and apply leverage — no complex setup required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDrop Forged Carbon Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHandle Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRubber (Anti-Slip)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFinish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack Oxidized\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSurface Treatment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrophoresis\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Hardness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e45–48 HRC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFit For Round Nut\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eC Type: 38–42mm \/ 45–52mm \/ 55–62mm \/ 68–72mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSuitable For\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMetal (machine tools, machinery)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × C Hook Spanner Wrench\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eFor general tool safety guidelines, refer to the \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eOSHA Hand \u0026amp; Power Tools Safety Guide\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-inch-threaded-brass-ball-valve-water-gas-oil-flow-control\"\u003e1-Inch Threaded Brass Ball Valve – Water, Gas \u0026amp; Oil Flow Control\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/0-200mm-jewelry-measuring-caliper-bead-stone-gauge-stainless-steel\"\u003e0–200mm Jewelry Caliper – Stainless Steel Bead \u0026amp; Stone Gauge\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What round nut sizes does this C hook spanner wrench fit?\u003c\/h4\u003e\n\u003cp\u003eA: This wrench is available in four size variants to cover a wide range: 38–42mm, 45–52mm, 55–62mm, and 68–72mm. Simply choose the size that falls within your round nut's diameter for a secure fit.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What material is the C hook spanner wrench made from?\u003c\/h4\u003e\n\u003cp\u003eA: It is crafted from drop-forged carbon steel with a black oxidized finish and electrophoresis surface treatment, giving it excellent wear resistance and corrosion protection. The handle is made from rubber for a comfortable, anti-slip grip.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What applications is this hook wrench suitable for?\u003c\/h4\u003e\n\u003cp\u003eA: This hook wrench is designed for tightening and loosening round nuts, collet chucks, and water meter covers on machine tools and industrial machinery. It is suitable for metal applications across a variety of workshop settings.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How hard is this wrench and why does it matter?\u003c\/h4\u003e\n\u003cp\u003eA: The wrench is heat-treated to 45–48 HRC (Rockwell Hardness). This level of hardness ensures the wrench can withstand high torque loads without deforming, making it reliable for heavy-duty workshop and machining tasks.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What round nut sizes does this C hook spanner wrench fit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This wrench is available in four size variants to cover a wide range: 38–42mm, 45–52mm, 55–62mm, and 68–72mm. Simply choose the size that falls within your round nut's diameter for a secure fit.\"}}, {\"@type\": \"Question\", \"name\": \"What material is the C hook spanner wrench made from?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is crafted from drop-forged carbon steel with a black oxidized finish and electrophoresis surface treatment, giving it excellent wear resistance and corrosion protection. The handle is made from rubber for a comfortable, anti-slip grip.\"}}, {\"@type\": \"Question\", \"name\": \"What applications is this hook wrench suitable for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This hook wrench is designed for tightening and loosening round nuts, collet chucks, and water meter covers on machine tools and industrial machinery. It is suitable for metal applications across a variety of workshop settings.\"}}, {\"@type\": \"Question\", \"name\": \"How hard is this wrench and why does it matter?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The wrench is heat-treated to 45–48 HRC (Rockwell Hardness). This level of hardness ensures the wrench can withstand high torque loads without deforming, making it reliable for heavy-duty workshop and machining tasks.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/oasis-select.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Sewing \u0026 Hand Tools\", \"item\": \"https:\/\/oasis-select.com\/collections\/sewing-hand-tools\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"C Hook Spanner Wrench 38–72mm Round Nut | Non-Slip Handle\", \"item\": \"https:\/\/oasis-select.com\/products\/c-hook-spanner-wrench-38-72mm-round-nut-non-slip-handle\"}]}\u003c\/script\u003e","brand":"Oasis Select","offers":[{"title":"55-62mm","offer_id":47748519067753,"sku":"5:202115817#55-62mm","price":13.49,"currency_code":"USD","in_stock":true},{"title":"68-72mm","offer_id":47748519100521,"sku":"5:202115818#68-72mm","price":13.49,"currency_code":"USD","in_stock":true},{"title":"38-42mm","offer_id":47748519133289,"sku":"5:202115815#38-42mm","price":13.49,"currency_code":"USD","in_stock":true},{"title":"45-52mm","offer_id":47748519166057,"sku":"5:202115816#45-52mm","price":13.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7931\/3257\/files\/S63f9223eef354e5b8757bd1a55767c7dO.webp?v=1783085347","url":"https:\/\/oasis-select.com\/products\/c-hook-spanner-wrench-38-72mm-round-nut-non-slip-handle","provider":"Oasis Select","version":"1.0","type":"link"}