Benchmade 5700SBK Auto Presidio II Automatic Knife Black Serrated Edge. The New Presidio II automatic knife utilizes the Auto-AXIS opening integrated safety slide on the spine to lock the knife blade. The Blade is made from CPM-S30V steel for maximized strength and cutting performance serrated drop point blade with black finish. The machined Milled grooves in the handle improve grip. The handles features black anodized 6061 T-6 aluminum scales over 420J stainless steel liners. The tip-up pocket clip can be reversed for right or left handed carry.