Feature●Clamps to the spindle nose without the need to remove tooling from the collet. Fits spindle diameters 1.45” to 1.95”. It will also fit 1.750" boss on most CAT tool holders.●Extra rigid design to eliminate the possibility of flex. Proprietary friction technology used to provide smooth consistent resistance.●Designed to keep the indicator tip on a plane that intersects the spindle axis.●Indicator clamp holds both dovetail and 5/32" post adapter. (For use with Test style indicators only, not compatible with Travel style indicators)●Indicator NOT included.●*** PLEASE SCROLL DOWN FOR MORE DETAILS. ***Description