The T-JAKÂ mini-brute, model MB-101, is a smaller version of the T-JAKÂ cabinet jack with an adjustment range of 15 In. to 24 In. This is the ideal tool to install upper cabinets when the base cabinets are already in place. It is a versatile tool with many applications. 1 Ft., 2 Ft. and 3 Ft. T-JAKÂ extension shafts increase the adjustment range. The MB-101 can also be taken apart and inserted into the extension shaft to create a 2 Ft. or 3 Ft. mini T-JAK.