Buck Knives Sprint 3.125 inch Folding Knife - Black - The Buck Knives 840 Sprint Select is the perfect lightweight， everyday carry knife. The 840 Sprint Select features ball bearing technology that allows this folding knife to open smooth and rapidly when you engage the flipper on the top of the knife. A sturdy liner lock safely secures the blade open while in use. The knife folds closed to 4-3/8in to easily fit into your pocket. The satin finished， drop point blade is made of razor sharp 420HC steel ideal for a variety of everyday task. The lightweight， ergonomic handle is made of glassed filled nylon comes in different colors to suit your style. This knife is easy to carry with the convenient deep pocket clip. The 840 Sprint Pro is perfect for someone that wants a modern， lightweight， everyday carry knife with a high end ball bearing opening system.