Pair of Slit Tapered Inserts: CNC machined from mild steel, drill a 7/8” hole and tap them in !! Perfect for flipping your tie rod to the top of the knuckle or just renewing the worn out old tapers. You can repair your knuckles or use them into steering arms or pitman arms. Will work on ES 2234 L/ ES 2234 R. Major diameter measures over 3/4” and the minor measures a little over 5/8”. Important Details: It will work only on GM 1 Ton Tie Rod Ends (ES 2234 L/R). This Tapered Steering Knuckle Insert comes in 2 pack. Not functional with high-angle tie rod ends. It is proudly made in the USA.