LOADRITE EQUALIZER FLAT PLATE. Galvanized open end Style spring Equalizer Plate for 1-3/4"wide springs .Used on tandems with 2" x 2" SQ axle tubes.1/2" shackle bolt holes on 7"centers.Has 9/16" center pivot hole.Measures 3" at it widest point x 8-1/4" long .Requires center bushing set (1421.02k) sold separately.Two plates needed per side.Sold as each