National Hardware 4003BC Coupler, Thread Type: UNC Coarse, Thread Size: 3/8-16, Hex Size: 0.49 in, 1700 lb Tensile Strength, Thread Length: 1-3/4 in, Steel, Zinc, Dimensions: 1-3/4 in L
Manufacturer: NATIONAL HARDWARE Model Number: N182-683 UPC: 038613182684
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