Variable Height Platform, 2 in. Travel, 3 x 3 in. Platform, 220 N Load, 8-32 and 1/4-20

The 9204 Big Lab Jack gives you a variable-height platform from 2.0 to 4.0 in. with 0.002 in. resolution. Each revolution of the knob corresponds to 0.25 in. of vertical travel. It locks solidly and can support up to 50 pounds. For easy mounting, the big jack accommodates both 8-32 and 1/4-20 screws.