Clamping dia.: 1 7/8"
Length to indicator: 4 1/2"
Mounts directly on machine quill
Fits all indicators with 5/32" shank
Indicator not included
It fit on the mill spindle fine, but the plastic bushings and small thumb nuts makes the holder very loose and wiggly. I had to crank them down with pliers and I still couldn't get it very accurate. I used it to tram my mill after a rebuild, just used a dial indicator, absolutely no way you could use a test dial indicator as it seems to be designed for. It's just not rigid enough to be anything close to accurate. Returning...