LENGTH FROM WRACKET TO INDICATOR 4-1/2" 

CLAMPING 1-7/8" 

FOR BRIDGEPORT MILL "J" HEAD, 

SUITABLE FOR 5/32" SHANK OR DOVETAIL

GUARANTEED ACCURATE READING

MOUNTS WITH SINGLE PRESSURE SCREW DIRECTLY ON 

MACHINE QUILL, BYPASSING THE WORKING TOOL