Case Trapper Oktoberfest Corelon. 4 1/8 closed. Stainless clip and spey blades. Oktoberfest Corelon (orange, brown and white swirl) handles with nickel silver bolsters and inlay shield. Master blade features series etch. Limited edition of 500 produced." 4 1/8" closed. Stainless clip and spey blades. Oktoberfest Corelon (orange, brown and white swirl) handles with nickel silver bolsters and inlay shield.