Case Trapper Abalone Corelon. 4 1/8 closed. Stainless clip and spey blades. Abalone CorelonĀ® 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. Abalone Corelon handles with nickel silver bolsters and inlay shield.