Proto J Open End Wrench 9/16 x 5/8 Thin
The Proto J Open End Wrench in 9/16 x 5/8 inch is a thin-profile open end wrench designed to access fasteners in tight or recessed spaces where standard-thickness wrenches cannot reach.Ideal for...
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Create A New AccountThe Proto PRO3020 is a satin-finish open-end wrench sized 3/8" x 5/16", offering two commonly used fastener sizes in a single, durable hand tool. The satin finish reduces glare and provides a clean, professional appearance suitable for industrial and MRO environments.
Designed for reliable torque application on hex fasteners, this double open-end wrench is a practical addition to any mechanic's, maintenance technician's, or tradesperson's tool set.