The 31302 Case (TB61546DAM) Tony Bose Back Pocket Knife features a clip blade made of damascus steel with a nail nick for opening. The sawcut Chestnut Bone handle, 4 5/8-inches closed, has the Case Oval Nickel Silver Shield and nickel silver bolsters. The Case Back Pocket Knife weighs 4.0 ounces. Discontinued item, BNIB; made in the USA in 2016.