Overview Reviews Product Description These springs are typically placed inside softwall fuel hoses such as G603 to prevent kinking near the end fittings. Greenline Industrial Fitting Catalog New Greenline Industrial Fitting Catalog Product Videos Custom Field Product Reviews Write a Review Write a Review × Greenline Internal Spring Guard for 3/4" I.D Hose SGI-075 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *