ʻAiʻa kila 1.251 +Mea kila+O1 (2) 1.251 +Aila Aluia+O1 1.2379 +Aila Aluia+D2 1.7035 +Aila Aluia+5140 D2+Titanium nitride 1.7035 +Aila Aluia+5140 1.7035 kila kila+SUS304 1.7225 +Mea hao+4140 1.7225 +Mea hao+4140 440C+DLC Alloy Steel 1.2379 +Aila Aluia+D2 440C+DLC Alloy Steel