1、Metal hex key with plastic molded handle has a comfort fit in your hand, and the loop means you can keep this on your keychain 2、Use for inserting and removing FCS fins 3、Very convenient to carry in your travel bag and easy out with your fins 4、Do not turn your key with too much force, it can damage the key or the screw 5、Great accessory to switch out fins Description: This fin key works on all fin systems including FCS fins and is used for inserting and removing FCS fins. Metal hex head, plastic handle for comfortable gripping and loop for convenient carrying. Don't miss it! Features:. Metal hex key with plastic molded handle has a comfort fit in your hand, and the loop means you can keep this on your keychain. Use for inserting and removing FCS fins. Very convenient to carry in your travel bag and easy out with your fins. Do not turn your key with too much force, it can damage the key or the screw. Great accessory to switch out fins. Specification: Material: Plastic + Metal Color: Black + Silver Fin Key Length: approx. 5cm / 1.97" Package Weight: approx. 4g Package Includes: 1 x Fin Key Only