Top Hole Hammer

Shank: T45, GT60, T51 & EL60 shanks to suit most drifters
Coupling: T45, GT60, T51 & EL60 thread Rod & Tube: T45, GT60, T51 & EL60 thread.3.0m-7.3m length
Bit Adapter: T45, GT60, T51 & EL60 thread
Drill Bit:T45, GT60, T51 & EL60 thread70mm-152mm, button bit