2x6 3/16 wall bumper. 2x2 and 2x3 .120 swingarm.2" dom reciever for tire. 1/4 plate. slides over and bolts onto ord shackle flip. bolts into bottom and side of frame. big 'ol 1750lb trailer spindle. with matching comp 4x4 bearing housing that is 2.625 od with a .375 wall. i used de sta co 2k compression latch from grainger. gonna put in 1/2 drop pin to ensure it stays closed. welded by my beloved miller 211. soon i will put on some 1" thick shackle mounts, and a 2" reciever. weighs around 140lbs. and it holds my 37 really tight. more pics to come soon.