Have the versatility to use a hand-held or a stand up drill rig. With the core size capacity of 6" when mounted and 3" hand-held.
M-4 Drill Rig offers the ultimate versatility for coring 1" - 6" holes. Use hand-held for convenience and portability. Any core over 3" should be used with drill stand. Anchor option for lightweight maneuverability, see our M-4 Anchor here