Features: Scubas Diving Stick: This pointer stick is suitable for using touches unknown creatures to protect yourself, making noise to attract the attention of surrounding people when you are in risky. Firm and Durable: Rod is made of 6061aluminum material, lightweight, anti-deform, durable and corrosion-resistant in salt water. Therefore, it is very convenience and practical, easy to grasp! Adjustable: Coming with adjustable knotting wrist strap for adjustment to the best comfort, easily to hook and carry. You can keep it around your wrist for preventing lost, or slip them in pocket. Measurement More Simple: Diving noise maker stick with 15cm scale measuring on the stick, you can measure the length of fishes, rock, and do more measurement under the water easily. Versatile Use: Helping you move across the ocean floor and good for diving beginners or professionals, great accessories for scubas diving, snorkeling, and underwaters exploration sports. Specifications: Material: 6061Aluminum Color: Yellow/Red/Green/Light Blue/Black/Blue/Pink Package Weight: approx.60g Size: approx.34x0.8cm/13.38x0.31in Package Includes: 1Pc x Diving Pointer Rod note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!