The hook is made of aluminum alloy rod with great hardness is sturdy and ,which is difficult to deform,you can use the stick to point out interesting subsea creatures to your buddy, or show them the direction,with key chain and 7 strand cor parachute,handy and practical,easy to hold. Features: 1.KEEP SAFETY:The diving stick is used for knocking at some available objects to make a noise to draw diving company's attention. 2.GIVE DIRECTION: You can use the stick to point out interesting subsea creatures to your buddy,or show them the direction. 3.COMMUNICATE WITH BENTHON:The rod is also can be utilized to interact with undersea creatures. 4.SUPPORT:With the hook,you can support you to get away from the sea floor, creatures or corals without touching them with your hands. 5.HIGH QUALITY MATERIAL:The hook is made of aluminum alloy rod with great hardness is sturdy and ,which is difficult to deform. Specification: Condition: 100% Brand New Brand: KEEP DIVING Material: Aluminum Alloy + 7 Strand Core Parachute Color: Royal Blue, Gray, Black, Pink(Optional) Rod Length: Approx. 34cm / 13.4in Scale: 15cm / 5.9in Lanyard Diameter: Approx. 8mm / 0.3in Weight: Approx. 72g Packing List: 1 x Diving Stick with Lanyard * Other Terms is not included.