The hand-crank jack provides 13 inches of height adjustment and swings up to a horizontal position once you hitch up. It will bolt on to 4- to 5-inch trailer frames (hardware included). $229.99; ...

In July, US-based mining products manufacturer Excel Foundry & Machine introduced the UltraNut and the UltraBolt – a jack bolt tensioning series designed specifically for locking nuts and bolts ...

Lt. Col. John F. “Jack” Bolt, a Marine fighter pilot who was one of the last surviving American double aces, having shot down at least five enemy airplanes in both World War II and the Korean ...