Wave Size: 6ft | Leash Specs: Length = 6ft. Features: Durable 6.5mm urethane cord for strength and flexibility.Double swivels help prevent tangling. Comfortable padded ankle cuff. Secure hook-and-loop fastening. Lightweight, reliable design for everyday performance. | Cord Thickness: 6.5 mm | Swivels: Double stainless-steel swivels | Features: 9ft (2.74m) longboard leash. 6.5mm premium urethane cord.Comfortable padded calf/knee cuff.Double stainless-steel swivels reduce tangling.Reinforced rail saver protects your board.Secure hook-and-loop closure. Ideal for longboards and everyday surf conditions