1.fujikura original cleaver blade 2.fujikura replacement cleaver blade 3.fujikura spare cutting wheel 4.fiber optic cleaver modelB07materialtungsten carbideuse with Fujikura original Replacement or Spare Cleaver Blade(Cutting Wheel) are for use with the Fujikura CT-03, CT-04B-SB,CT-04B,CT-04, CT-07,CT-07S,CT-80B,CT-100B,CT-103,CT-104 CT-107 fiber cleaver.