The 110 Auto is easily deployed with the push of a button, readying the 420HC blade quickly and efficiently. Featuring the same classic Macassar Ebony Dymondwood handles and brass bolsters, the 110 Auto will easily become a new collectible for those avid 110 fans. Trusted for generations. Buck knives are known for sharp edges and rugged durability. Each Buck knife is backed by their famous Forever Warranty.