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The CRESCENT CCW9-05 is a combination wrench designed for fastening and loosening SAE hardware in mechanical, plumbing, and HVAC service applications. It features a 3/4-inch open end on one side and a 12-point box end on the other, giving technicians two engagement options from a single tool. The wrench measures 9.76 inches in overall length and is constructed from alloy steel with a full-polish chrome finish that resists corrosion and simplifies cleaning. At 0.43 pounds, it is light enough for overhead or confined-space work without sacrificing durability. This tool is built for professionals who need reliable SAE hand tools on the job.
This wrench is suited for residential and light commercial service work across HVAC, plumbing, electrical, and general mechanical trades. It is commonly used when tightening or removing 3/4-inch SAE nuts and bolts on equipment panels, pipe fittings, mounting hardware, and service connections. The 12-point box end provides additional contact points for use in tight spaces where swing angle is limited. The open end allows fast spinning of fasteners before final torque. A zero-degree offset on the open end keeps the wrench flat against the work surface, which is useful in low-clearance installations.
Designed for use with 3/4-inch SAE fasteners. Suitable as a standard hand tool across HVAC, plumbing, electrical, and general mechanical service applications.
Always de-energize electrical equipment and relieve system pressure before using hand tools on live mechanical assemblies. Inspect the wrench for cracks or damage before each use and do not use a damaged wrench. Apply force to the box end when maximum torque is required, as the 12-point engagement distributes load more evenly than the open end. Follow applicable trade codes and manufacturer torque specifications when tightening critical fasteners.
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