Thread : 1/2-20 UNF Thread
Overall Length: 3.769 inch (approx) 95.80mm

Hex Size: 3/4" (19mm)

Thread Length: 1.639 inch (41.6mm)

Material: Carbon Steel

Finish: Extra Thick Auto Black  Plating for rust free longer life

Comes complete  with 1/2-20 UNF Left Hand and Right Hand Half Nuts..