HHIP 5-1/2 X 12" Compound Slide Table ~ A heavy, rugged slide used in positioning, milling, drilling, microscope viewing and staging. ~ Adjustable base for heavy loads, small jig boring, and precision cut-off operations. ~ T-slot width is 5/8". ~ T-slots are on 2-1/2" centers. ~ Overall height is 4-1/2". ~ Travel is 8" longitudinal and 5" transverse. ~ The base is an 8 X 9" oval with u-slots for up to 5/8" bolts on a 7-3/4" to 8-1/2" bolt circle. ~ Maximum moving is 9-3/4".