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 adventuresCompact Size: The reel measures 7.4 cm in outer diameter, 3 cm in inner diameter, and 5 cm 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 identifyComplete 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 tanglingWide 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.