The H&K 14430S Knives Patrol Automatic Knife Satin Serrated Edge Blade. The HK 14430S knife is using a lightweight composite handle on an automatic platform with the Patrol knife. It's a solid design and build that offers push button action and a side-mounted safety. The 14430S Patrol knife has a satin finished D2 steel blade with a serrated cutting edge. Tip-up carry is accommodated with the reversible pocket clip.