ZB0631-22 Name riser vent Material stainless steel 316 Suface finish high polishing MOQ 1 PC Technqiue investment casting Packing bubble bag+ carton Brand Richwits Speficication of SS riser vent This riser vent is casted in stainless steel 316 material by investment casting, which is solid and durable The surface is polished . Good material and excellent polishing quality make it has good performance on anti-rust and corrosion resistance . The material for the bolt is SS 316 also A flat base for deck mounting and stainless steel pin for easy top removal. Zhibo is a professional manufacturer of stainless steel marine hardware and rigging hardware. In our factory , you can get anchors, hinges , deck fillers, fishing rod holders , eye plates , eye botls, shackles , turnbuckles, thimbles, carabiners and soon. Most of them can be supplied from stock. Low MOQ is acceptable. Contact us now for more details!