Overview Reviews Product Description Base - Stainless Steel 90 Degree Rectangle 25mm Cast 316 grade stainless steel fittings for making complete guard rail systems. Tube fits internally. All have grub screw retainers. Product Videos Custom Field Product Reviews Write a Review Write a Review × Base 90° Rectangle 25mm Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *