Scuba Diving SMB Surface Marker Buoy Signal Tube with Dive Reel Spool Gray Description: Scuba diving surface marker buoy SMB with dive reel finger spool and 15m line, double ended bolt snap clip safety gear equipment High visibility inflatable surface marking buoy signal tube with reflective tape makes sure scuba divers can be seen in open SMB can be filled using the oral inflator, or through the use of a inflator at bottom, you can also use standard BC hose to inflate Built-in over pressure relief allows the tube to ascend without rupturing Great accessories for cave and wreck diving, scuba diving, diver, snorkeling, spearfishing and other underwater activities Specification: Scuba Diving Surface Marker Buoy Material: Nylon, TPU Length: Approx. 120 cm/4 ft Width: Approx. 17.8 cm/7 inch Color: Orange Dive Reel 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 Reel Color: Gray Package Includes: 1 Piece Scuba Diving Surface Marker Buoy 1 Piece Dive Reel Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks!