Hydraulic For Incredible Holding Power
Uses a small hydraulic jack (not included) to lock barrel in vise. Heavy steel construction. Extremely easy to use - just fingertip pressure on jack handle. Base drilled for bench mounting. Includes solid oak block to custom drill and fit to barrel.
Big Book Catalog, Issue:66, Page:474
SPECS: 18" (45.7cm) high. 13" (33cm) wide. 7½ lb. (3.4kg), 10¼" (26cm) jack opening. 2" (5.1cm) x 2" (5.1cm) block.