Feature 1Aluminum alloy rod with great hardness is sturdy, corrosion-resistant, anti-deform and durable. 2Used for knocking at some available objects to make a noise to draw diving companion's attention. 3You can use the stick to point out unknown creatures to protect yourself, or use it to measure the length of fish or rocks. 4It can support you to get away from the sea floor, creatures or corals without touching them with your hands. 5With an adjustable lanyard, handy and practical, easy to hold on. Versatile for many uses, ideal for diving sport. SpecificationFeatures: 1.Aluminum alloy rod with great hardness is sturdy, corrosion-resistant, anti-deform and durable. 2.Used for knocking at some available objects to make a noise to draw divingcompanion's attention. 3.You can use the stick to point out unknown creatures to protect yourself, oruse it to measure the length of fish or rocks. 4.It can support you to get away from the sea floor, creatures or corals withouttouching them with your hands. 5.With an adjustable lanyard, handy and practical, easy to hold on. Versatile formany uses, ideal for diving sport. Specifications: Material: Aluminum alloy Weight: Approx. 55g Optional Color: Black, Blue, Pink, Red, Silver, Golden Size: Approx. 35*0.8cm/13.8*0.3in Scale length: 10cm/3.9in Packing List: 1*Diving Stick