{"product_id":"c-01qb","title":"C-01QB - KUPO Quick Release Steel Iron Casting Clamp, Black, 30-51 mm","description":"\u003c!-- Sub-type: H-A ( Clamps) --\u003e\u003c!-- Source: from_catalog\/c-01qb-quick-release-steel-iron-casting-clamp-black.md --\u003e\u003cstyle\u003e.kupo-section-title { margin: 1.25rem 0 1rem 0; font-size: 22px !important; font-weight: 700; line-height: 1.3; color: #2C3E50 !important; letter-spacing: 0; }.product-description h3 { color: #2C3E50 !important; font-size: 18px !important; font-weight: bold; margin-top: 1.5rem; margin-bottom: 0.75rem; line-height: 1.35; letter-spacing: 0; }.product-description, .product-description p, .product-description li { color: #222222 !important; }\u003c\/style\u003e\u003ch2 class=\"kupo-section-title\"\u003eProduct Description\u003c\/h2\u003e\u003cdiv class=\"product-description\" data-sku=\" C-01QB\" data-color=\"Black\"\u003e  \u003ch3\u003eOverview\u003c\/h3\u003e  \u003cp\u003eThe KUPO C-01QB is the quick release version of the C-01B iron casting hook clamp, made for faster fixture changes on 30 to 51 mm tube. A spring-loaded latch holds the 17.5 mm spigot automatically once engaged, while the black iron casting body and 40 kg Working Load Limit suit road-tested stage and TV inventories.\u003c\/p\u003e  \u003ch3\u003eWhy It Matters\u003c\/h3\u003e  \u003cp\u003eQuick release hardware matters when fixtures move during focus, changeover, or strike. The C-01QB keeps the durable iron body of the C-01B but removes some of the fiddling from repeated fixture swaps, which is exactly where crews start to notice the difference.\u003c\/p\u003e  \u003ch3\u003eKey Features\u003c\/h3\u003e  \u003cul\u003e    \u003cli\u003eSpring-loaded quick release latch captures the spigot automatically for faster fixture changes\u003c\/li\u003e    \u003cli\u003eIron casting body gives heavier-duty service life than comparable aluminum hook clamps\u003c\/li\u003e    \u003cli\u003e30 to 51 mm tube range fits standard bars, grids, and truss tube used in stage environments\u003c\/li\u003e    \u003cli\u003e40 kg Working Load Limit supports properly sized small and medium fixtures\u003c\/li\u003e    \u003cli\u003eBlack finish reduces visible hardware glare in TV, theater, and event work\u003c\/li\u003e  \u003c\/ul\u003e  \u003ch3\u003eAdditional Technical Notes\u003c\/h3\u003e  \u003cul\u003e    \u003cli\u003eDimensions: 97 mm x 110 mm\u003c\/li\u003e  \u003c\/ul\u003e  \u003ch3\u003eApplications\u003c\/h3\u003e  \u003cp\u003eUse it for theaters, studios, rental packages, touring rigs, and focus sessions where fixtures are hung, changed, or removed often from standard tube.\u003c\/p\u003e  \u003ch3\u003e Compatibility\u003c\/h3\u003e  \u003cp\u003e Fits 30 to 51 mm outside  and uses a 3\/8\"-16 yoke bolt with 17.5 mm quick release spigot capture. Sister product C-01B is the standard version.\u003c\/p\u003e\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{  \"@context\": \"https:\/\/schema.org\",  \"@type\": \"Product\",  \"name\": \"C-01QB | KUPO Quick Release Steel Iron Casting Clamp, Black, 30-51 mm\",  \"description\": \"The KUPO C-01QB is the quick release version of the C-01B iron casting hook clamp, made for faster fixture changes on 30 to 51 mm tube. A spring-loaded latch holds the 17.5 mm spigot automatically once engaged, while the black iron casting body and 40 kg Working Load Limit suit road-tested stage and TV inventories.\",  \"brand\": {    \"@type\": \"Brand\",    \"name\": \"KUPO\"  },  \"manufacturer\": {    \"@type\": \"Organization\",    \"name\": \"KUPO CO. LTD\",    \"url\": \"https:\/\/www.kupopower.com\"  },  \"category\": \"Hardware Solution \u003e Stage Clamps \u003e Hook Clamps\",  \"sku\": \" C-01QB\",  \"mpn\": \" C-01QB\",  \"color\": \"Black\",  \"material\": \"Iron casting\",  \"additionalProperty\": [    {      \"@type\": \"PropertyValue\",      \"name\": \"Product Type\",      \"value\": \"Quick release steel iron casting clamp\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Working Load Limit\",      \"value\": \"40 kg\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Material\",      \"value\": \"Iron casting\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Weight\",      \"value\": \"640 g\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Finish\",      \"value\": \"Black\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Tube Fit\",      \"value\": \"30 to 51 mm outside diameter\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Bolt\",      \"value\": \"3\/8\\\"-16\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Sister Product\",      \"value\": \"C-01B standard version\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Spigot\",      \"value\": \"17.5 mm with quick release latch\"    }  ]}\u003c\/script\u003e\u003cstyle\u003e.kupo-faq-seo-block { margin: 3rem 0 0 0; padding: 0; border: 0; background: transparent; box-sizing: border-box; }.kupo-faq-seo-block h2 { margin: 0 0 1.6rem 0; font-size: 22px !important; font-weight: 700; line-height: 1.4; color: #2C3E50 !important; }.kupo-faq-seo-item { border-top: 1px solid #ececec; padding: 0.8rem 0; }.kupo-faq-seo-item:first-of-type { border-top: 0; padding-top: 0; }.kupo-faq-seo-item h3 { margin: 0 0 0.35rem 0; font-size: 17px !important; font-weight: 600; line-height: 1.45; color: #2C3E50 !important; }.kupo-faq-seo-item p { margin: 0; line-height: 1.6; color: #222222 !important; }\u003c\/style\u003e\u003csection class=\"kupo-faq-seo-block\" data-product-id=\" C-01QB\" data-category=\"Hardware Solution\"\u003e  \u003ch2\u003e Frequently Asked Questions\u003c\/h2\u003e  \u003cdiv class=\"kupo-faq-seo-item\"\u003e    \u003ch3\u003eDoes the latch replace the need to tighten the clamp on the pipe?\u003c\/h3\u003e    \u003cp\u003eNo. The quick release latch captures the fixture spigot. The clamp still needs to be properly tightened to the tube before the fixture is considered secure.\u003c\/p\u003e  \u003c\/div\u003e  \u003cdiv class=\"kupo-faq-seo-item\"\u003e    \u003ch3\u003eWhen should I choose this over C-01B?\u003c\/h3\u003e    \u003cp\u003e Choose C-01QB when speed matters, especially in rental, focus, or strike workflows. Choose C-01B when a simple standard clamp is enough.\u003c\/p\u003e  \u003c\/div\u003e  \u003cdiv class=\"kupo-faq-seo-item\"\u003e    \u003ch3\u003eIs the load rating different from the standard version?\u003c\/h3\u003e    \u003cp\u003eNo. The specification lists the same 40 kg Working Load Limit for C-01QB and C-01B.\u003c\/p\u003e  \u003c\/div\u003e\u003c\/section\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the latch replace the need to tighten the clamp on the pipe?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. The quick release latch captures the fixture spigot. The clamp still needs to be properly tightened to the tube before the fixture is considered secure.\"}},{\"@type\":\"Question\",\"name\":\"When should I choose this over C-01B?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\" Choose C-01QB when speed matters, especially in rental, focus, or strike workflows. Choose C-01B when a simple standard clamp is enough.\"}},{\"@type\":\"Question\",\"name\":\"Is the load rating different from the standard version?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. The specification lists the same 40 kg Working Load Limit for C-01QB and C-01B.\"}}]}\u003c\/script\u003e\u003c!-- Download block omitted: no confirmed spec sheet PDF for C-01QB --\u003e","brand":"KUPO Stage","offers":[{"title":"Couplers \u0026 Clamps \/ Hook \/ C Clamp \/ Under 50 kg","offer_id":53907515834667,"sku":"C-01QB","price":0.0,"currency_code":"TWD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/6887\/6843\/files\/C-01QB_b.jpg?v=1782111130","url":"https:\/\/kupostage.com\/products\/c-01qb","provider":"KUPO Stage","version":"1.0","type":"link"}