This tie rod set is commonly used for (but not limited to) 39cc, 47cc and 49cc 2-stroke ATVs as well as smaller 50cc to 110cc 4 stroke ATVs. This tie rod has a 7mm thread diameter and is 50mm in length. 50mm refers to the length of the central hexagonal adjustment bar. These tie rods are made from hardened and corrosion resistant steel and take a #8 (8mm) nut. Tie rod assembly includes 2 rods and 4 rod ends.