The Schrade 503B Sure-Lock Folder is a well-built heavier duty knife. The aluminum handles are strong and include rubber inlays to enhance the user’s grip. Dual thumbstuds provide an easy opening method, while a button helps close the knife. The 3.64 long blade is forged from AUS-8 stainless steel into a drop point style. The 503B includes a pocket clip and lanyard hole.