Just a basic part with no exact tolerances. I have a drawing of it in detail but it's basically 1.5 " diameter bar x 1.5" long , and a 20 mm bore. Mild steel.
1. Mild or any weldable carbon steel.
2. No surface finish required , part won't be visible.
3. No holes are reamed.
4. Bore is to press fit or weld in place 20 mm steel conduit ( .780" OD +/- 0.005" )