Product#: TG-1530 Availability: This item normally ships within 1 - 2 business days. Description: Standard taper inner joints or spherical ball joints at either end of a connecting tube. Joints are parallel to each other. Top of the main tube has a vertical standard taper (10/30) outer joint for use with a 3" (76 mm) immersion thermometer. Distance between joints is approximately 200 mm, or any distance requested. Both joints are of the same size, unless otherwise requested.