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The WIHA 33494 is an 11-piece T-handle combination hex key set designed for professional use in HVAC, mechanical, plumbing, and electrical service work. The T-handle design provides increased torque and control compared to standard L-style hex keys, making it well-suited for fasteners in tight or repetitive-use applications. The set covers a hex size range of 5/64 to 3/8 inches and is constructed from steel for durability in daily field use. Ball-end tips are included, allowing off-axis engagement with fasteners where straight access is limited. This set is appropriate for any trade professional who works with hex-head fasteners on equipment, panels, or mechanical assemblies.
This hex key set is used across residential and commercial service environments wherever hex socket fasteners are encountered. Common applications include servicing HVAC equipment covers and access panels, adjusting mechanical components, assembling and disassembling plumbing fixtures, and electrical enclosure work. The ball-end feature is particularly useful when working at an angle on fasteners in confined equipment spaces. The 11-piece range covers the most common inch-series hex sizes used in North American trade work.
Designed for use with standard inch-series hex socket fasteners commonly found on HVAC equipment, mechanical assemblies, plumbing fixtures, and electrical enclosures.
This tool set is for use by licensed trade professionals and experienced technicians working with hex-head fasteners. Always de-energize and lock out electrical equipment before using hand tools on or near live panels or assemblies. Select the correct hex size before applying torque to avoid rounding fastener heads. Inspect tips regularly for wear and replace any damaged keys before use.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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