1. Gupima uburebure bwa tube, intera yigitugu-ruguru, uburebure bwumutwe, nibindi hamwe na anvili zisimburana (anvil igororotse hamwe ninkoni ya anvil) no gupima uburebure bwintambwe mugihe ukuyemo anvile na clamp.
2. Icyemezo: 0.01mm (Metric);0.0001 ″ (Inch).