The Case Lime Green Bone 61042 (61005RAZSS) Razor Knife features razor and pen blades made of mirror polished Tru-Sharp Surgical steel, with nail nicks for opening. The Barnboard Jigged Lime Green Bone handle, 3 7/8-inches closed, has the Case Bowtie inlay shield and nickel silver bolsters. The Case Razor Knife weighs 3.4 ounces. Made in the USA.