DRILLING IN ALL DIRECTIONS HORIZONTAL CENTER ROCK'S LOW PROFILE (LP) CANISTER DRILLS ARE THE BEST CHOICE FOR YOUR LARGEDIAMETER ROCK DRILLING REQUIREMENTS. * Convertible LP, 24 " - 144 " (610-3658 mm) (converts between calyx basket or reverse circulation method) * Mining LP, 24 " and larger (610 mm) * HDD LP Reamer, 12 " - 60 " (305-1524 mm) * Utility LP, 18 " and larger (457mm) * All LP Drills include our trained technicians to assist with the startup and continual 24/7 customer service support. IF YOU NEED TO MAKE ROCK DISAPPEAR...CALL CENTER ROCK. ® VERTICAL ANGLEDhttp://centerrock.com/