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The WERA 05118130001 is a precision nut driver built for fine-tolerance fastening work in HVAC, electrical, and light mechanical applications. The 7/64-inch drive size targets small hex fasteners common in control boards, junction boxes, and equipment panels. A solid shaft transfers torque directly without flex, and the ergonomic handle is shaped to reduce hand fatigue during repetitive work. Overall length is 6.25 inches, with a blade length of 2.375 inches, giving techs enough reach for recessed fasteners while keeping the tool maneuverable in tight spaces. Weight is 0.04 pounds, making it easy to carry in a shirt pocket or tool roll.
This nut driver is suited for residential and light commercial service work where small hex fasteners are encountered. Typical applications include tightening or removing hex-head screws on terminal blocks, control boards, panel covers, and electrical enclosures. HVAC technicians, electricians, and instrumentation techs are the primary users. The compact blade length and precision sizing make it appropriate for bench work as well as field service calls.
Designed as a general-purpose precision nut driver compatible with 7/64-inch hex fasteners found across HVAC equipment, electrical panels, and light mechanical assemblies.
De-energize any electrical equipment before accessing fasteners on control boards or terminal blocks, following applicable NEC lockout/tagout procedures. Use this tool by hand only - do not attach to a power driver, as the precision handle is not rated for powered operation. Inspect the blade tip for wear before use to ensure a proper fit on the fastener head and avoid rounding.
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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