Korotahi Steel 1.251 +Ria Korowai+O1 (2) 1.251 +Mea maitai+O1 1.2379 +Mea maitai+D2 1.7035 +Mea maitai+5140 D2+Titanium nitride 1.7035 +Mea maitai+5140 1.7035 Kowiri tira+SUS304 1.7225 +Waiwhangai+4140 1.7225 +Waiwhangai+4140 440C+DLC Alloy Steel 1.2379 +Mea maitai+D2 440C+DLC Alloy Steel