Very strong magnetic holding power
Magnet on both side and bottom of the base
360 swivel, Dovetail and Shank Mount, Single action locking mechanism
One Knob control all arm movement
Fine adjustment
Arm is 9-1/2" reach
Two Indicators: One each
1" Travel Dial Indicator: Graduation: 0.001", Reading: 0 - 100
Test Indicator: Accuracy: 0.0005", Range: 0.030
