Description : Scuba diving aluminum alloy finger spool reel with 15m / 49ft high visibility orange wear - resistant line , small , compact , lightweight , durable and portable Attached with a stainless steel double end bolt snap clip , strong , reliable and corrosion resistant Double brass swivels to prevent line entanglement and twisting Unique flared design allows ease of winding with gloves on under cold water , compact and easy to stow Great gear equipment for cave diving , technical diving activities and a wide variety of diving applications Specification : Material : Aluminum alloy + 316 stainless steel Reel Diameter : Approx . 5 . 5 cm / 2 . 2 inch Reel Thickness : Approx . 3 . 5 cm / 1 . 4 inch Center Hole Diameter : Approx . 2 . 5 cm / 1 inch Line Length : Approx . 15 m / 49 ft Line Thickness : Approx . 2 mm / 0 . 08 inch Bolt Snap Length : Approx . 9 cm / 3 . 54 inch Package Includes : 2 Piece Scuba Diving Finger Spool Note : Please allow slightly difference due to manual measurement . Color may be slightly different since different monitor . Thanks !