15 Jun Heavy Duty Jacks for Holding Cabinets in Place, More
Lee Valley has added a pair of Viking Arm Assembly Jacks (item 03K1830) to its catalog, but they are also available separately (03K1820). For positioning heavy items (up to 330 lbs. per jack), these powerful and precise tools can quickly raise a cabinet, window frame or door to the exact height needed, and then hold it steady as the woodworker drives fasteners.
Constructed of heavy-gauge steel and aluminum with a 1/2″ × 13/16″ steel main shaft, they can be used in pairs to double the weight capacity and distribute the load, so it’s easier to keep the item level and stable without need of a helper. A full squeeze raises the lift bars 5/16″, and a partial squeeze will gradually adjust the position in finer increments, to a maximum height of 8-1/2″. A controlled-release lever will lower the item in small decrements, while a second lever allows a full release, letting the lift bars slide back to the start position.
The lift bars are 6mm (about 1/4″) thick steel, with a beveled edge that makes them easier to slip under an object. For use in narrower spaces, a low-profile base plate and lift bars assembly is available separately. Each jack can also be used as a powerful pry, or to lift machinery and appliances to insert shims or adjust leveling feet. It can also be reversed for use as a heavy-duty clamp, which is helpful for tasks such as forcing bowed deck or floorboards into position before fastening. They are made in Norway.