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Guinea 7 7/8”3 blades diamond PDC bit
Guinea 12 1/4inch Hybrid drill bit
Guinea 17 1/2inch Hybrid pdc drill bit
Guinea 8 3/4inch pdc bit,steel body, 4 blades
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Guinea 8 1/2 inch 1606 steel body PDC bit
Guinea 8 1/2 inch 1605 steel body PDC bit
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Guinea 6 inch 1904 steel body PDC bit
Guinea 7 1/2 inch 1606 matrix body PDC bit
Guinea 8 1/2 inch 1605 matrix body PDC bit