1. Material: 316 stainless steel
2. Application: ships, yachts, fishing boats, etc.
3. Specification: 75/88/100mm
4. Hole pitch: about 52.6 mm for 75mm, about 62.9 mm for 88mm, and about 73.8 mm for 88mm
5. Adapter screw: M6 (need to bring your own)
6. Weight: about 73g for 75mm, about 126g for 88mm, and about 191g for 100mm
7. Features: 316 stainless steel material, corrosion-resistant, rust-resistant, durable, fine-grinding mirror-polished, fine workmanship, and meticulous polishing