Benchmade 5700SGY-1 Auto Presidio II Automatic Knife Bronze Grey 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-M4 steel for maximized strength and cutting performance drop point serrated blade with a grey finish. The 6061 T-6 aluminum scales over 420J stainless steel liners machined handles features Bronze Milled grooves in the handle improve grip. The tip-up pocket clip can be reversed for right or left handed carry.