SPECS:
Bolt Fixture - Steel, blued 7" (17cm) long, 1-1⁄2" (4cm) diameter shank, includes clamps and screws. Action Truing Sleeve - Steel, in-the-white. 2" (5cm) long, 2-1⁄4" (5.7cm) diameter. Receiver Mandrels - Steel, hardened to Rc 45, in-the-white, 10" (25.4cm) long. .701" (17.80mm) and .703" (17.86mm) diameter. Fits nominal .700" diameter bolt action receivers.
Catalog page 473