The Chief Leveling base is an ultra low profile leveling base used by precision shooters and long range hunters. The quick release arca clamp is fully adjustable using the adjustment knob. The 6″ stem was designed to easily grip and lock in place. We have designed the stem to greatly reduce tightening & loosening while panning. The oversized 75mm ball provides amazing stability!! The Chief paired with The Warrior Tripod provides shooters with the best platform for long rang shooting. What Included -75mm Leveling Base -6″ Stem with Weight Hook -Anti-Locking Girp -Rubber Grip -Protective Carry Bag