Designed to hold a Spherically Mounted Retro-Reflector, Theodolite Sphere, Photogrammetry Sphere, or other Spherical Type Target or Accessory for the purpose of locating edges/surfaces.
.875 ESM FEATURES: STAINLESS STEEL R/C 40-45
.875 ESM CAUTION: The .875 ESM will not balance over an edge by itself. The .875 ESM must be held in place or it will fall, possibly causing damage to the SMR.
SM is a Registered Trademark of Hubbs Machine & Manufacturing Inc
Supports a spherical mounted Retro-Reflector or other spherical type target or accessory for a critical height and centerline. The edge may be used to contact inside edges to give a value of...