PREMIUM MATERIAL: Aluminum alloy rod with great hardness is sturdy and durable, difficult to deform.It is also can be utilized to interact with undersea creatures. DRAW ATTENTION: Used for knocking at some available objects to make a noise to draw diving company's attention. WIDE APPLICATION: It can support you to get away from the sea floor, creatures or corals without touching them with your hands. VERSATILE USE: You also can use the stick to point out interesting scuba creatures to your buddy, or show them the direction. Used for knocking at some available objects to make a noise to draw diving company's attention. Versatile for many uses, ideal for diving sport. Product Material: Aluminum alloy 6061 Surface treatment: hard-grade anodic oxidation Color include: red, sky blue, light blue, rose gold, golden yellow Product size: diameter 8mm * length 350mm Product weight: 60g Package includes: 1pc * water probe