This is our 7/8" to 3/4" 4140 Chromoly Safety High Misalignment Spacer. Perfect for Steering Applications where the Rod End is in single shear. When 2 are used with our 7/8" Chromoly Rod Ends the overall Mounting Width is 2" They are CNC Machined in House from 4140 HTSR Through Hardened Chromoly then Liquid Nitrocarburized for Additional Wear and Corrosion Resistance.