This nautical-themed key chain, featuring a clinometer key fob, is both adorable and functional. Crafted from solid brass, this key chain is as beautiful as it is durable and functional and a knurled knob allows you to easily and securely add or remove keys from the ring. These wonderful key chains make ideal gifts for all. Solid metal keyring and body Knurled knob makes changing keys easy and secure Fully functional clinometer Overall length is total of ring, chain, and symbol length