{"product_id":"proto-j1228masd-tt-combination-wrench-28-mm-tether-capable","title":"Proto J1228MASD-TT Combination Wrench 28 Mm Tether Capable","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe PROTO J1228MASD-TT is a 28 mm combination wrench built for professional trade use in mechanical, HVAC, plumbing, and industrial maintenance applications. It features a 15-degree offset head that provides knuckle clearance in tight spaces, allowing technicians to drive fasteners where a flat wrench cannot reach. The wrench is machined from steel with a satin finish that reduces glare and resists corrosion. At 15.5 inches overall length, it delivers the leverage needed for larger fasteners. A 12-point box end engages hex fasteners securely, and the tether-capable design supports use in elevated work environments where dropped tools are a safety hazard.\u003c\/p\u003e\u003cp\u003eThis wrench is suited for residential and commercial mechanical installations where 28 mm fasteners are common, including equipment mounting, pipe flange work, and structural hardware. The tether-capable handle makes it appropriate for rooftop HVAC work, elevated platforms, and any job site with overhead personnel or drop-zone restrictions. Licensed HVAC technicians, pipefitters, plumbers, and industrial maintenance professionals are the primary users of this tool.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e28 mm head size fits metric fasteners common in HVAC and mechanical equipment\u003c\/li\u003e\n\u003cli\u003e15-degree offset head angle improves access in recessed or obstructed fastener locations\u003c\/li\u003e\n\u003cli\u003e12-point box end for reliable engagement on hex fasteners\u003c\/li\u003e\n\u003cli\u003eTether-capable handle supports compliance with dropped-tool safety requirements at height\u003c\/li\u003e\n\u003cli\u003eSatin finish reduces glare and provides corrosion resistance\u003c\/li\u003e\n\u003cli\u003eMeets ASME B107.100 standards for combination wrenches\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use with 28 mm metric hex fasteners in a wide range of mechanical, HVAC, plumbing, and industrial maintenance applications.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eThis wrench is a hand tool used by licensed HVAC technicians, pipefitters, and plumbers in both service and installation tasks. When working at elevation, attach the tether point to an approved tool lanyard rated for the wrench weight before use. Inspect the wrench for cracks or deformation before each use and remove from service if damage is found. Follow applicable site safety plans and OSHA requirements when working on elevated surfaces or near energized equipment.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Size\u003c\/strong\u003e: 28 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Offset Angle\u003c\/strong\u003e: 15 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Points\u003c\/strong\u003e: 12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 15.5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Thickness\u003c\/strong\u003e: 0.625 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 1.37 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Satin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandle Type\u003c\/strong\u003e: Straight\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTether Style\u003c\/strong\u003e: Tether Capable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion Resistant\u003c\/strong\u003e: Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-Sparking\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRatcheting\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard\u003c\/strong\u003e: ASME B107.100\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\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: J1228MASD-TT\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PROTO","offers":[{"title":"Default Title","offer_id":51541684781362,"sku":"J1228MASD-TT","price":109.33,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/bf7b45bb4f45555985c30faa8ebc8197.jpg?v=1785882192","url":"https:\/\/voomisupply.com\/products\/proto-j1228masd-tt-combination-wrench-28-mm-tether-capable","provider":"Voomi Supply","version":"1.0","type":"link"}