{"product_id":"williams-comfort-products-jhw1721-open-end-wrench-5-16x3-8","title":"Williams Comfort Products JHW1721 Open End Wrench 5\/16x3\/8","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe WILLIAMS COMFORT PRODUCTS JHW1721 is a double-opening open end wrench designed for fastener access in tight or confined service environments. The wrench features two openings sized at 5\/16 inch and 3\/8 inch, each with a 45-degree chamfer on the ends to allow quick, positive seating on fastener heads. A continuous arc jaw design resists spreading under load and delivers greater structural strength compared to an OVO-style profile. The satin-chrome finish reduces glare, provides a secure grip, and wipes clean with minimal effort. This is a standard, single-unit hand tool suited for professional trade use across HVAC, plumbing, and mechanical service work.\u003c\/p\u003e\n\u003cp\u003eThe JHW1721 is appropriate for residential and light commercial service calls where 5\/16-inch and 3\/8-inch fasteners are common — including equipment panels, valve packing nuts, bracket hardware, and similar small-fastener applications. Its compact profile makes it practical for technicians working in equipment rooms, utility closets, and around installed mechanical systems. The wrench meets ANSI B107.6 Federal Specification standards, confirming dimensional and strength compliance for professional-grade hand tools.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eDual openings: 5\/16 inch and 3\/8 inch in a single standard wrench\u003c\/li\u003e\n  \u003cli\u003e45-degree chamfer on both wrench ends for fast, accurate fastener placement\u003c\/li\u003e\n  \u003cli\u003eContinuous arc jaw design resists spreading and outperforms OVO-profile wrenches in strength\u003c\/li\u003e\n  \u003cli\u003eSatin-chrome finish for low glare, reliable grip, and easy cleaning\u003c\/li\u003e\n  \u003cli\u003eMeets ANSI B107.6 Federal Specification for open end wrenches\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style open end wrench for general mechanical, HVAC, and plumbing service applications requiring 5\/16-inch or 3\/8-inch fastener engagement.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eThis wrench is a hand tool intended for use by licensed HVAC technicians, plumbers, electricians, and mechanical service professionals. Always de-energize electrical equipment and shut off fluid supply lines before using hand tools on live systems or pressurized components. Use the correct opening size for the fastener to avoid rounding heads. No power tools, torque equipment, or specialty adapters are required for standard use of this wrench.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOpening Sizes\u003c\/strong\u003e: 5\/16 inch x 3\/8 inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Satin-Chrome\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard\u003c\/strong\u003e: ANSI B107.6\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 12 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight\u003c\/strong\u003e: 0.8 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth\u003c\/strong\u003e: 0.3 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.07 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUnit of Measure\u003c\/strong\u003e: Each\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: WILLIAMS COMFORT PRODUCTS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: JHW1721\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WILLIAMS COMFORT PRODUCTS","offers":[{"title":"Default Title","offer_id":51346728845618,"sku":"JHW1721","price":22.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/310540790.jpg?v=1782088624","url":"https:\/\/voomisupply.com\/products\/williams-comfort-products-jhw1721-open-end-wrench-5-16x3-8","provider":"Voomi Supply","version":"1.0","type":"link"}