The centerline of the 5/8 x 11 stud to column measures 15 inches (38.1 cm). Constructed of structural aluminum for industrial applications and stainless steel hardware. The item "Seco Heavy-Duty Column Clamp Mount Theodolite Laser Total station Scanner Gps" is in sale since Thursday, March 09, 2017. This item is in the category "Business & Industrial\Construction\Levels & Surveying Equipment\Total Stations & Accessories".The seller is "surveypro" and is located in Palm Desert, California. This item can be shipped to United States.