{"product_id":"wiha-54042-t-handle-hex-key-4-mm-ball-end","title":"Wiha 54042 T-handle Hex Key 4 Mm Ball End","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe WIHA 54042 is a T-handle hex key designed for metric fastener applications requiring controlled torque and ergonomic grip. Built with a 4 mm ball-end hex tip and a steel blade measuring 150 mm in blade length, this tool delivers precise engagement in both straight-on and angled driving positions. The T-handle arm style provides a comfortable two-hand grip that reduces fatigue during repetitive fastener work. Overall length is 7 inches, with a length under the head of 6 inches and an overall width of 3.375 inches. The red and black handle construction aids visibility and grip in field and shop environments. Licensed tradespeople and service technicians across HVAC, plumbing, electrical, and general mechanical trades rely on this type of tool for panel fasteners, equipment access covers, and component mounting hardware.\u003c\/p\u003e\u003cp\u003eThe WIHA 54042 suits residential and light commercial service work where metric hex fasteners are standard. It is commonly used when servicing equipment panels, motor mounts, pump housings, and similar assemblies that use 4 mm hex socket head cap screws or set screws. The ball-end tip allows engagement at off-axis angles, which is useful when fastener access is restricted by surrounding components or enclosures.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e4 mm metric ball-end hex tip for straight and angled fastener engagement\u003c\/li\u003e\n\u003cli\u003eT-handle arm style provides two-hand torque control and reduced hand fatigue\u003c\/li\u003e\n\u003cli\u003eSteel blade construction for durability under repeated use\u003c\/li\u003e\n\u003cli\u003e7 inch overall length with 6 inch usable length under the head\u003c\/li\u003e\n\u003cli\u003eRed and black handle for grip visibility in the field\u003c\/li\u003e\n\u003cli\u003eCompact 3.375 inch overall width fits standard tool pouches and kits\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use with 4 mm metric hex socket fasteners in residential and light commercial equipment service applications.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eThis tool is used by HVAC technicians, plumbers, electricians, and mechanical service professionals for fastener removal and installation. Ensure the hex tip is fully seated in the fastener socket before applying torque to avoid rounding the drive. When working near energized equipment, de-energize and lock out the system per applicable NFPA 70E safe work practices before removing access panels or components.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHex Size\u003c\/strong\u003e: 4 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd Type\u003c\/strong\u003e: Ball\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandle Type\u003c\/strong\u003e: T-Handle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 7 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength Under Head\u003c\/strong\u003e: 6 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlade Length\u003c\/strong\u003e: 150 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Width\u003c\/strong\u003e: 3.375 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandle Color\u003c\/strong\u003e: Red and Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem of Measurement\u003c\/strong\u003e: Metric\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.09 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: WIHA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 54042\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WIHA","offers":[{"title":"Default Title","offer_id":51714534572338,"sku":"54042","price":19.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/ae8f22179544b6ff38783abf1025faaa.jpg?v=1788502839","url":"https:\/\/voomisupply.com\/products\/wiha-54042-t-handle-hex-key-4-mm-ball-end","provider":"Voomi Supply","version":"1.0","type":"link"}