Jul 27, 2021 · eCentering Solutions are available in two sizes: 11/4" x 8 and 1" x 8. Order here: ReCentering Solution. 11/4 x 8 or 1 x 8 thread with a 3/8" hardened drill bushing, 3/8" stop collar w/hex wrench and two 3/8" dia. centering pins for One Way or Jet live centers. Instructions included.