Thread: 5/8-18 UNF Thread

Overall Length: 3 .64 inch (approx) 92mm

Hex Size: 3/4" (19mm)

Thread Length: 1.63 inch (41.5mm)

Material: Carbon Steel

Finish: White Zinc Plating for rust free longer life
Comes complete  with 5/8-18 UNF Left Hand and Right Hand Half Nuts.
**