The CRKT BladeLock Demonstration Model 4003D is a rare, unused pocketknife with a disappointing blade range of 2.76 - 4 inches. Made of stainless steel, this discontinued model features a manual opening mechanism and a drop point blade type. The black handle and original design make it a collectible item for knife enthusiasts. With its sleek design and high-quality materials, this CRKT pocketknife offers a unique and functional addition to any collection.