{"product_id":"kcp-804hb","title":"KCP-804HB - Heavy Duty Arm Coupler","description":"\u003c!-- Sub-type: H-D (Brackets \u0026 Hangers) --\u003e\u003c!-- Source: hardware_missing_markdown_batch_01\/kcp-804hb-heavy-duty-arm-coupler.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=\"KCP-804HB\" data-color=\"Black\"\u003e  \u003ch3\u003eOverview\u003c\/h3\u003e  \u003cp\u003eThe KUPO KCP-804HB Heavy Duty Arm Coupler is the reinforced 1 mm arm coupler in the KUPO arm-coupler family. It uses a 48 mm aluminum alloy tube, thick-gauge triangular support plate, and prolonged welded aluminum body to reach a 50 kg working load limit.\u003c\/p\u003e  \u003ch3\u003eWhy It Matters\u003c\/h3\u003e  \u003cp\u003eA side arm creates leverage, so the construction matters as much as the tube size. KCP-804HB is built as the heavy-duty version of the 1 mm arm coupler, with twice the loading capacity of the ordinary arm coupler and a clear warning against horizontal tube use.\u003c\/p\u003e  \u003ch3\u003eKey Features\u003c\/h3\u003e  \u003cul\u003e    \u003cli\u003e50 kg working load limit gives the heavy-duty arm coupler clear capacity for offset support work\u003c\/li\u003e    \u003cli\u003e1000 mm overall length with 870 mm vertical drop and 50 mm offset defines the rigging geometry\u003c\/li\u003e    \u003cli\u003e48 mm aluminum alloy arm tube fits 48 to 51 mm pipe or truss tube\u003c\/li\u003e    \u003cli\u003eTriangular support plate and prolonged welded body strengthen the arm against offset loading\u003c\/li\u003e    \u003cli\u003eBlack finish keeps the arm visually quiet in stage and studio environments\u003c\/li\u003e  \u003c\/ul\u003e  \u003ch3\u003eApplications\u003c\/h3\u003e  \u003cp\u003eUse it for vertical pipe or truss-tube offset positions where a heavy-duty 1 mm arm coupler is required and the support orientation matches the usage warning.\u003c\/p\u003e  \u003ch3\u003e Compatibility\u003c\/h3\u003e  \u003cp\u003e Fits 48 to 51 mm pipe or truss tube. Do not use KCP-804HB on horizontal tubes or pipes, per the usage warning.\u003c\/p\u003e\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{  \"@context\": \"https:\/\/schema.org\",  \"@type\": \"Product\",  \"name\": \"KCP-804HB | Heavy Duty Arm Coupler\",  \"description\": \"The KUPO KCP-804HB Heavy Duty Arm Coupler is the reinforced 1 mm arm coupler in the KUPO arm-coupler family. It uses a 48 mm aluminum alloy tube, thick-gauge triangular support plate, and prolonged welded aluminum body to reach a 50 kg working load limit.\",  \"brand\": {    \"@type\": \"Brand\",    \"name\": \"KUPO\"  },  \"manufacturer\": {    \"@type\": \"Organization\",    \"name\": \"KUPO CO. 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