1. Material: stainless steel 316 2. Scope of application: ships, yachts, speedboats, motor boats, ships, and assault boats 3. Stainless steel 316 material, corrosion resistant, not easy to rust, strong and durable 4. Rigorous workmanship, fine polishing, using fine grinding mirror polishing 5. Conjoined screw hole size: 4/5 inch 4.3mm, 6 inch 5.3mm, 8 inch 6.3mm, 10 inch 8.4mm 6. Length: 4 inches is about 10 cm, 5 inches is about 12.5 cm, 6 inches is about 15 cm, 8 inches is about 20 cm, and 10 inches is about 25 cm. 7. Weight: about 80 grams for 4 inches, 110 grams for 5 inches, 172 grams for 6 inches, 308 grams for 8 inches, and 452 grams for 10 inches
