This ball mount is designed as a multi-use system for ATV/UTVs with 1-1/4" x 1-1/4" receivers. The length from the center of the hitch pin hole to the center of the 2" ball is 4-3/4". The length from the center of the hitch pin hole to the 3/4' hole is 7". Equipped with a welded 2" I.D. D-ring. The center of the hitch pin hole to the back of the upright is 2-1/4".