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Usoro ịtụ

nkume bit
rola cones replaceable
PDC BIT 4
mmanụ ọma tricone bit
milled eze nkume bit
cof
IMG_7779
IDC216 tricone bit
oghere oghere
gas nke ọma tricone bit
gas olulu mmiri
ogwugwu bit
p17
p15
p16
p14
p13
p12
p10
p9
p8
p7
p6
p4
p5
p3
p2
p1