The Proto J Series Obstruction Box Wrench features a 7/16-inch by 1/2-inch double-ended, 12-point design crafted from Nickel Chrome Molybdenum Alloy Steel for maximum strength and durability. Its low-profile obstruction design allows increased access and grip in tight spaces where traditional box wrenches cannot reach.
Made in the USA and backed by a lifetime warranty against defects in materials and workmanship, this wrench is ideal for MRO, industrial, and professional applications requiring reliable performance in confined areas.