This XM-18 flipper from Rick Hinderer Knives features a 3.5" tumble blade, notched thumbrest and flipper, dual thumbstuds. The handle has a black G-10 scale, and a blue anodized and stonewashed titanium handle/clip. Clip can be mounted for tip up or down carry. Nice lockup, seating, and detent. Comes with original box, papers, and extra pivot washers. Excellent condition.