{"product_id":"17mm-to-37mm-metal-step-up-ring-phone-cage-cpl-nd-filter-1","title":"17mm to 37mm Metal Step-Up Ring – Phone Cage CPL\/ND Filter","description":"\n\u003ch2\u003e17mm to 37mm Metal Step-Up Ring for Phone Cage\u003c\/h2\u003e\n\u003cp\u003eExpand your mobile filmmaking and photography capabilities with this precision-machined \u003cstrong\u003e17mm to 37mm Step-Up Ring\u003c\/strong\u003e. Designed specifically for smartphone cages and rigs, this compact aluminum alloy adapter lets you mount 37mm CPL, ND, and other filters onto a 17mm lens thread — unlocking professional-grade creative control without adding bulk to your kit.\u003c\/p\u003e\n\n\u003ch3\u003eWhy You'll Love It\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePremium Aluminum Alloy Construction:\u003c\/strong\u003e Lightweight yet robust, the metal build resists rust and wear for long-lasting, reliable performance shoot after shoot.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecision Machining:\u003c\/strong\u003e Advanced manufacturing ensures a snug, seamless connection between your phone cage and filter — no light leaks, no blurring, just clean, sharp results.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Filter Compatibility:\u003c\/strong\u003e Bridges 17mm inner threads to 37mm outer threads, making it compatible with a wide range of 37mm filters including CPL and ND types for diverse creative needs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnti-Slip Screw-On Design:\u003c\/strong\u003e Secures quickly and releases effortlessly thanks to the threaded screw-on mechanism with anti-slip grip — saving you time on the go.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Compact \u0026amp; Portable:\u003c\/strong\u003e Adds virtually no extra weight to your rig, making it perfect for outdoor shoots, travel videography, and run-and-gun content creation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminum Alloy\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInner Diameter:\u003c\/strong\u003e Approx. 17mm \/ 0.67 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOuter Diameter:\u003c\/strong\u003e Approx. 37mm \/ 1.46 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Filters:\u003c\/strong\u003e 37mm CPL, ND, and more\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Includes:\u003c\/strong\u003e 1 × Lens Step-Up Ring Adapter\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cp\u003e1 × 17mm–37mm Metal Step-Up Ring Adapter\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Please allow 1–3mm variance due to manual measurement. Actual color may vary slightly from product images depending on your monitor settings.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10-piece-complete-gardening-tool-kit\"\u003e10-Piece Gardening Tool Kit – Iron Head \u0026amp; Plastic Handle\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/hex-nut-bolt-extractor-tool-kit-10-piece\"\u003e10-Pc Hex Nut \u0026amp; Bolt Extractor Kit 9–19mm | HIP Tools\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/105-degree-right-angle-driver-with-hex-screwdriver-bit\"\u003e105° Right Angle Driver with 1\/4\" Hex Screwdriver Bit | HIP\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What size filters is this step-up ring compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This step-up ring is designed to adapt a 17mm inner thread to a 37mm outer thread, making it compatible with all standard 37mm filters — including CPL (circular polarizer) and ND (neutral density) filters.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Will this step-up ring fit my smartphone cage?\u003c\/h4\u003e\n\u003cp\u003eA: This ring is designed for phone cages and rigs that feature a 17mm lens thread mount. Always verify your cage's thread diameter before purchasing to ensure a proper fit.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is the step-up ring easy to attach and remove?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The screw-on design with anti-slip grip allows for quick and effortless attachment and detachment, making filter changes fast and hassle-free even during outdoor shoots.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What size filters is this step-up ring compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This step-up ring is designed to adapt a 17mm inner thread to a 37mm outer thread, making it compatible with all standard 37mm filters — including CPL (circular polarizer) and ND (neutral density) filters.\"}}, {\"@type\": \"Question\", \"name\": \"Will this step-up ring fit my smartphone cage?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This ring is designed for phone cages and rigs that feature a 17mm lens thread mount. 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The screw-on design with anti-slip grip allows for quick and effortless attachment and detachment, making filter changes fast and hassle-free even during outdoor shoots.\"}}]}\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:\/\/rw8eae-v1.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Tools \u0026 Household\", \"item\": \"https:\/\/rw8eae-v1.myshopify.com\/collections\/tools-household\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"17mm to 37mm Metal Step-Up Ring – Phone Cage CPL\/ND Filter\", \"item\": \"https:\/\/rw8eae-v1.myshopify.com\/products\/17mm-to-37mm-metal-step-up-ring-phone-cage-cpl-nd-filter\"}]}\u003c\/script\u003e","brand":"HIP","offers":[{"title":"CN","offer_id":46305521336554,"sku":"1005012580259713-CN","price":6.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4590\/4618\/files\/Sb7c84487f63d40d9990ce312f55ef72cO.webp?v=1789879235","url":"https:\/\/hipcustomerservice.com\/products\/17mm-to-37mm-metal-step-up-ring-phone-cage-cpl-nd-filter-1","provider":"HIP","version":"1.0","type":"link"}