HHIP 6" Horizontal/Vertical Rotary Table All rotary tables are precision ground. Low profile design. Worm gear is easily disengaged for free rotation. 10 second vernier reading. Graduated 360 degrees. All rotary table parts are strategically positioned for easy access. The one piece worm and shaft are hobbed from a solid alloy steel. Center hole is 2MT. Vertical center height is 3-5/8". Horizontal overall height is 3.3". Vertical overall height is 7". 4 t-slots. T-slot width is 7/16". One rotation of handle equals 4 degrees on the collar. 21 lbs.