Brunson Steel Weld-On Adapter for 1.5" Diam. SMR (1.5THW-1144) Shovels & Probes it features a working height

it features a working height ranging from 23 in

the horizontal legs are situated just below the bore's centerline (photo at right)

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The kit comes with a rotating tribrach adapter (#2153-10-BLK) that is compatible with all prisms with a 24

Brunson Steel Weld-On Adapter for 1.5" Diam. SMR (1.5THW-1144) Shovels & Probes it features a working heightThe 1. 5THW 1144 steel magnetic adapter is meant to be welded permanently in place on any customer fixture. A substantial chamfer around the bottom edge makes for a nicer weld. This item is also available in other materials, and is not hardened like most of our other adapters. Place it on your fixture in any desired location, add a few weld tacks around the perimeter, and you have a permanent SMR reference. Think of it as a non drifting drift nest.