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The WILLIAMS COMFORT PRODUCTS WS-44 is a 13-piece hex key set designed for fastening and adjustment tasks across a range of trade applications. Hex keys, also known as Allen wrenches, are essential hand tools for driving socket-head cap screws, set screws, and hex-socket fasteners commonly found in HVAC equipment, plumbing fixtures, electrical enclosures, and mechanical assemblies. This set ships as a single unit and weighs 0.573 pounds, making it a compact addition to a service technician's toolkit. It is suited for professionals who need a complete range of hex sizes on the job.
The WS-44 hex key set is appropriate for use in residential and light commercial service environments. Technicians working on HVAC units, hydronic heating systems, pump assemblies, and similar equipment routinely encounter hex-socket fasteners during installation, maintenance, and repair. Having a full 13-piece set on hand reduces the need to source individual keys in the field and helps speed up routine service calls.
Designed for general-purpose use with hex-socket fasteners encountered across HVAC, plumbing, electrical, and mechanical service work.
Hex key sets are a hand tool and do not require installation. Technicians should select the correct key size before applying torque to avoid rounding fastener sockets. Always de-energize equipment and follow lockout/tagout procedures before using hand tools inside electrical or mechanical enclosures. Store the set in its holder or case to prevent loss of individual keys.
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