Proto PRO1218B 9/16" Combination Wrench - Black Finish
The Proto PRO1218B is a 9/16" combination wrench featuring a durable black finish, built to industrial standards for reliable performance in demanding MRO and trade applications. Designed for...
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Create A New AccountThe Proto 577-3754T is a 9/16 inch flare nut combination wrench built for reliable performance on flare nut fittings in plumbing, HVAC, and automotive applications. Constructed of metal with a durable black finish, it provides a secure grip to prevent rounding of soft flare nut fittings.
Designed to deliver precise torque and long-lasting durability, this wrench is a dependable addition to any professional or maintenance toolbox requiring flare nut service work.