{"product_id":"proto-j1212mnds-nut-driver-hollow-shaft-9-inches-oal","title":"Proto J1212MNDS Nut Driver Hollow Shaft 9 Inches Oal","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe PROTO J1212MNDS is a hollow-shaft nut driver built for trade professionals who need reliable fastener control in tight or deep-access applications. The hollow shaft design allows the driver to seat over threaded rod or stud ends, extending its usefulness in HVAC panel work, electrical enclosures, and plumbing fixture installations. At 9 inches overall length, it provides the reach needed for recessed fasteners without sacrificing torque feel. The ergonomic handle is shaped to reduce hand fatigue during repetitive use. This driver meets ANSI Spec B107.12 and carries a lifetime warranty from PROTO.\u003c\/p\u003e\n\u003cp\u003eThe J1212MNDS is suited for residential and light commercial service work where 4 mm hex fasteners are common. Typical applications include equipment panel assembly, control board mounting, and general service tasks on HVAC systems, electrical enclosures, and plumbing fixture hardware. The 9-inch overall length makes it practical for situations where a standard-length driver cannot reach the fastener. Licensed technicians and experienced tradespeople in HVAC, electrical, and plumbing trades keep this driver in regular rotation for panel and cabinet work.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eHollow shaft seats over threaded rod or stud ends for deep-access fastening\u003c\/li\u003e\n  \u003cli\u003e4 mm drive size handles common metric hardware in HVAC, electrical, and plumbing applications\u003c\/li\u003e\n  \u003cli\u003e9 inches overall length provides extended reach for recessed or deeply set fasteners\u003c\/li\u003e\n  \u003cli\u003eErgonomic handle reduces hand fatigue during repetitive fastener work\u003c\/li\u003e\n  \u003cli\u003eMeets ANSI Spec B107.12 for nut drivers\u003c\/li\u003e\n  \u003cli\u003eBacked by a lifetime warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style service tool for trade professionals requiring a 4 mm hollow-shaft nut driver in standard service and installation work.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eThis tool is used by HVAC technicians, electricians, and plumbers for fastener installation and removal on equipment panels and enclosures. Ensure all power is disconnected and equipment is de-energized before opening any electrical enclosure or control panel. No special codes govern hand tool use, but NEC and IFGC guidelines apply to the systems being serviced. Inspect the driver for wear or damage before each use and do not use it as a pry or impact tool.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrive Size\u003c\/strong\u003e: 4 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShaft Type\u003c\/strong\u003e: Hollow\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 9 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHandle Type\u003c\/strong\u003e: Ergonomic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 4.15 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eANSI Spec\u003c\/strong\u003e: B107.12\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 27111702\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarranty\u003c\/strong\u003e: Lifetime\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: PROTO\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: J1212MNDS\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PROTO","offers":[{"title":"Default Title","offer_id":51542103097650,"sku":"J1212MNDS","price":322.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/3e160654548c2160a261667bdcbc53a3.jpg?v=1785892124","url":"https:\/\/voomisupply.com\/products\/proto-j1212mnds-nut-driver-hollow-shaft-9-inches-oal","provider":"Voomi Supply","version":"1.0","type":"link"}