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The Milwaukee Electric Tool Corp 48-22-9515 is a 15-piece metric combination wrench set designed for professional tradespeople who need a complete range of metric fastener sizes in a single kit. Combination wrenches feature an open end on one side and a box end on the other, giving technicians two engagement options on every fastener. This set is suited for HVAC equipment installation, plumbing rough-in work, electrical panel and equipment mounting, and general mechanical service where metric hardware is common. The 15-piece count covers a broad range of metric sizes, reducing the need for multiple partial sets on the job.
This wrench set is appropriate for residential and light commercial service environments. It is well-suited for tasks that involve metric fasteners on equipment enclosures, pipe supports, conduit hangers, unit mounting hardware, and mechanical assemblies. Trades including HVAC technicians, plumbers, electricians, and pipefitters will find this set useful for both installation and service work. The combination format makes it practical in confined spaces where switching tools is not always possible.
Designed as a general-purpose metric combination wrench set suitable for use across HVAC, plumbing, electrical, and mechanical service applications wherever metric fasteners are present.
Select the correct wrench size before applying torque to avoid rounding fastener heads. Always ensure the box end is fully seated on the fastener before turning. When working on energized electrical or pressurized systems, de-energize and depressurize before using hand tools on fasteners. General hand-tool use should follow applicable OSHA and trade safety guidelines.
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