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O lo'o iai mata vili IADC127 7 7/8 inisi (200mm)
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Fa'aitiitiga o mata tricone IADC127 9 5/8” (244.5mm)
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Ulu feliuliua'i mo le rig IADC127 9 7/8” (250.8mm)
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3 cones roller bits IADC127 11 5/8” (295mm)
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Mata vili loloto IADC127 12 1/4” (311mm)
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Mata vili vaieli fa'apitoa IADC127 14 3/4” (374mm)
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O mata tricone fa'atau'oa IADC127 17.5 inisi (444.5mm)