Action Truing Sleeve - Steel sleeve is pre-drilled to securely hold Remington 700 actions by the front ring. After turning the O.D. of the sleeve on centers, sleeve and action can be located in a four-jaw chuck for accurate truing of locking lug recesses and single-pointing or tapping of barrel threads.
Big Book Catalog, Issue:73, Page:478
SPECS: Action Truing Sleeve - Steel, in-the-white. 2" (5cm) long, 2-1⁄4" (5.7cm) diameter.