Overview Reviews Product Description Mild steel aluminum stainless steel construction. 17" Manway 6" Neck 1/4" Base Have questions? Call us at 877-445-5511 Product Videos Custom Field Product Reviews Write a Review Write a Review × 17" Manway w 6" Neck (4 Wing Nut) Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *