Description: Quality Material: This diving reel is made from aviation aluminum, which has high strength, wear resistance, and lightweight properties. It ensures durability and ease of use during your underwater adventures Compact Size: The reel measures 7.4cm in outer diameter, 3cm in inner diameter, and 5cm in height. Its compact size makes it easy to carry around without adding unnecessary weight to your diving gearHigh Visibility Line: The braided line is 30 meters long, and with high visibility color, which is easy to identify Complete Set: Each package includes 1 diving reel equipped with a double ended bolt snap clip for easy attachment to your SMB (Surface Marker Buoy). The line on the reel sinks in seawater for convenient use without tangling Wide Application: The scuba dive reel is great for shipwreck, wreck diving exploration, scuba diving, snorkeling, spearfishing, and other outdoor water sports Specification: Material: Aviation Aluminum Size Chart: Line Length: 3000 cm/1181.10 inchReel Outer Diameter: 7.4 cm/2.91 inchReel Inner Diameter: 3 cm/1.18 inchReel Height: 5 cm/1.97 inch Package Includes: 1Scuba Diving Reel Note: Please allow slightly errors 1-2cm differences due to manual measurement.