Overview Reviews Product Description Mar-bal 2015-3B Red Standoff Insulator 3/8-16 x 3/8 Deep Height 1-3/4 2000V Diameter- 2in Shape- Octagon Aluminum Insert 20153B-UA-YAG. Product Videos Custom Field Product Reviews Write a Review Write a Review × Mar-Bal Mar-bal 2015-3B Red Standoff Insulator 3/8-16 x 3/8 Deep Height 1-3/4 2000V Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *