The All-Cylinders™ +P, the largest of the All-Cylinders family, is a folding knife with locking liner and thumb studs. Bill Harsey designed this blade to be an excellent carry knife, as it comes fully loaded to ride along with any Ruger® firearm. Featuring a black, stonewashed drop-point blade, machined G10 handles, a unique "revolver cylinder-style" pivot point and two-position pocket clip.