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The WILLIAMS COMFORT PRODUCTS 10213 is a 13-piece long hex key set designed for fastener access in confined or recessed locations where standard-length keys cannot reach. Each key in the set features an extended arm that provides increased reach and leverage, making it well suited for mechanical assembly, equipment maintenance, and service work across a range of trade applications. The set ships as a single unit and weighs 0.829 pounds, keeping it practical for a field toolbag or service van. Licensed technicians and maintenance professionals who regularly work with socket-head cap screws and set screws will find this set a reliable addition to their hand tool inventory.
This hex key set is appropriate for use in HVAC equipment maintenance, plumbing fixture installation, electrical panel assembly, and general mechanical service tasks where hex-drive fasteners are encountered. The long-arm design suits applications requiring torque applied at an angle or in tight clearance areas. The set covers a range of hex sizes in a single package, reducing the need to carry multiple individual keys on a service call.
Designed as a general-purpose long hex key set compatible with standard hex-drive socket head cap screws and set screws across mechanical, HVAC, plumbing, and electrical service applications.
Hex key sets are used by HVAC technicians, plumbers, electricians, and general mechanical service professionals. Before servicing any equipment, de-energize electrical systems and shut off applicable gas or water supplies per local code requirements. Select the correct key size for the fastener to avoid rounding the socket drive. Do not use extension cheater bars on hex keys, as this can damage the key or the fastener head.
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