Overview Reviews Product Description 4" x 6" NIP - Galvanized Rigid Pipe Nipple Pipe Size: 4 x 6" Pipe O.D.: 4.500" Length Close: 2-7/8" Product Videos Custom Field Condition New Product Reviews Write a Review Write a Review × 4" x 6" NIP - Galvanized Rigid Pipe Nipple Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *