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Gauge:Spherical button
Front:Ballistic button
Intergral Drill Steels
HIGH AIR PRESSURE DTH BIT DHD 、QL 、MISSION 、SD、NUMA series
T38 64mm thread button bit
T51 115mm Concave Retrac button bit
HC95LQ T38 D45 503 shank adapter
R32 41mm Parabolic button bit
T38 76mm Concave Retrac Parabolic button bit
T51 80mm Ballistic button bit