Can be used in horizontal or vertical position. Suitable for use with dividing plates. Precision ground top plate and general careful construction ensure highest accuracy. Table graduated 360°. Worm gear reduction ratio is 1 : 90 and the gear can be quickly disengaged for rapid indexing. One turn of the handle moves the table through 4°. Micro collar is graduated in steps of 1 minute. Vernier scale makes settings down to 10 seconds possible. Number of T-Slots: 3.