373716 Specifications: Material: Carbon fiber Length: 13 inch Screw Pitch: 4.5 inch Central Hole Diameter: 4.0mm Fixture Hole Diameter: 3.0mm Fixture Hole Pitch: 12mm Color: Black Net Weight: 36g Package list: 1345 positive self-locking paddle paddle * 2 1345 anti-self-locking paddle paddle * 2 Original packaging