The Microtech 173-1 DLC Tachyon III Balisong Butterfly Knife Black DLC Plain Edge. The Microtech Tachyon III features milled channel construction handles made from single piece of anodized Aluminum. Comes with spring latch and tip up pocket clip for easy pocket carry. This updated with advanced ceramic ball-bearing pivot assembly that eliminates handle play for flipping dynamics. The pivots utilize Viton o-rings for load dampening, and heat treated stainless steel retainer plates ensure long-lasting performance. This Tachyon III model has a dlc black finished Bohler Elmax steel clip point blade and durable type III black anodized handles.