The 31734 Case Antique Bone (61953LSS) RussLock Knife has a mirror polished locking clip blade made of Tru-Sharp Surgical Steel with a jimped lever featuring Tested XX etching for ambidextrous one hand opening. The Saw Cut Jigged Antique Bone handle, 4 1/8-inches closed, has a Case Oval Nickel Silver inlay shield, nickel silver bolsters and a liner lock. The Case RussLock Knife weighs 2.7 ounces. Made in the USA.