Redneck Trailer Supplies U-Bolt Kit, 3" Round Axle, 1/2" X 7" U-Bolts (2 Pack) (071070)

1/2" x 3" x 7" Round u-bolt ? 1/2"-20(Rod diameter - threads per inch) ? 3" wide from inside to inside ? 7" long ? Nuts included ? Qty. 2 u-bolts, 4 nuts ? Spring seats required for mounting axle to leaf spring sold separately. Typically fits a 5,200-lb to 7000-lb axle with a 1-3/4" or 2" spring width. L=7" A=3" D=1/2"