Overview Reviews Product Description Thru hull fittings - Plastic thru-hull concave head - 38mm (1 1/2") Nylon thru hull w/stainless steeel 316 FacebookEmailPrint Product Videos Custom Field Product Reviews Write a Review Write a Review × Thru hull fittings - Plastic thru-hull concave head - 38mm (1 1/2") Nylon thru hull w/stainless steeel 316 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *