A vice with tremendous gripping power. With Class A, 20 T.P.I. Bolts and washers that are counter-sunk into the top of the barrel vice, you'll find a rock solid divice to hold your barrels. The spring loaded, self-opening feature gives you a third hand while loading and unloading the vise. The vise comes with one set of 1.150" bushings.Additional aluminum bushings are available in the following diameters: 1.150:, 1.175", 1.200", 1.225", 1.250", and 2"x5/8" blanks for custom sizing.
Big Book Catalog, Issue:67, Page:484
Sinclair, Issue:4X, Page:019