SKU: 903598 LINEAR GAGE AIR DRIVE UNIT, M7.4 X 0.5 ASCENDS OR DESENDS THE SPINDLE OF A LINEAR GAGE BY THE SUPPLY AND EXHAUST OF AIRTHE SPINDLE DESCENDING SPEED CAN BE ADJUSTED BY USING THE SPEED CONTROLLER OF THE DRIVE UNITAUTOMATIC MEASUREMENT IS... $321.00 $304.95 Compare