Learn more about W.R. Case and SonsThe Rough Black Folding Knives were a result of World War II when traditional handle materials were scarce. The knives gained special notoriety with collectors after the Big War when production of knife handles returned to more traditional manufacturing. Synthetic Rough Black handles. Tru-Sharp 420 surgical stainless steel blades and springs. Made in USA. Available: Trapper Clip and spey blades. Closed length: 4-1/8. Weight: 4 oz. Medium Stockman Clip, sheeps-foot blade and spey blades. Closed length: 3-5/8. Weight: 2.5 oz. Small Texas Toothpick Long clip blade. Closed length: 3. Weight: 1 oz. RussLock One-hand-opening clip blade. Closed length: 4-1/4. Weight: 2.7 oz. Peanut Clip and pen blades. Closed length: 2-7/8. Weight: 1.2 oz. Canoe Spear and pen blades. Closed length: 3-5/8. Weight: 2.9 oz. Slimline Trapper Clip blade. Closed length: Type: Folding Knives.