Description: Fish Venting Tool: You will get a fish venting kit,as Anglers, we can help mitigate the effects of barotrauma by using venting tools to relieve pressure and allow fish to swim downward Quality Material: With a non slip handle and the needle made of metal, this fish venting tool is very practical, strong, and can handle tough conditions Easy to Use: Fish venting tool comes with a needle protective cover to stop any accidental puncture to you or others; Find the correct location of the swim bladder and use the fish venting tool to pierce the swim bladder of the fish to allow the gas to No Harm: This unhooking method ensures the fish is not harmed during landing or release. It also protects you from injuries caused by fish with sharp and fins Simple Unhooking: Hold the fishhook line with hand, hold the hook remover with the other hand to hook the fishing line, pull in opposite directions with both hands, and then twist, and the fish will come out Specification: Material:Aluminum Alloy Size Chart: Thick Needle Length:20.5cm/8.07inch,Needle Diameter:0.21cm/0.08inch Thin Needle Length:20.1cm/7.91inch,Needle Diameter:0.16cm/0.06inch Accessories Length:26.4cm/10.39inch,28cm/11.02inch Package Includes: 1 Set Fish Venting Tool  Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.