3 Inches (80 mm) with 3 slots. Height - 47 mm Worm- Gear Ratio - 36:1, which basically means that 1 handle rotation shall turn the table by 10 Degrees. Table graduated in 360 Degrees & the scale calibrated in 5 degree increement. Centre Height in Vertical position is 52 mm. Can be used in both horizontal & vertical position. Round Vice Specifications:- Made of high grade close grain caste Iron. Fits our 3" (75 mm) Rotary Tables perfectly. The moving jaw has V-grooves to hold Round objects. Again these vices are drilled in a manner that these can fit to a 3 as well 4 slot table. The Drills are counter bored to ensure that the fixing screws sets perfectly ensure perfect movement. Dia. of Base Jaw Width Jaw Depth Jaw Opening Height 80 mm54 mm20 mm32 mm29 mm