373719 Specifications: Material: Carbon fiber Length: 16 inch Screw Pitch: 5.0 inch Central Hole Diameter: 4.0mm Fixture Hole Diameter: 3.0mm Fixture Hole Pitch: 12mm Color: Black Net Weight: 58g Package list: 1650 positive self-locking paddle paddle * 2 1650 anti-self-locking paddle paddle * 2 Original packaging