TTC Compound Milling & Drilling Slide Table - Model .: Y555-008 Base Dimensions : 8" x 9" oval 5-1/2"W x 12"L with T-slots on 2-1/2" centers. Adjustable in .001" graduations. Height: 4-1/2". Base: 8" x 9" oval with U-slots Travel: 8" x 5". Weight: 36 lbs. T-slots: 5/8".