Vanguard SBH-20 Aluminum Alloy Ball Head Constructed of lightweight magensium alloy Precision engineered center ball ensures smooth, seamless movement Includes QS-36 quick release plate 360 degree rotation Ideal for use with monopods in addition to tripods Extremely lightweight; weighs only 5.8 ounces Height: 2.75 inches Maximum load capacity: 8.8 pounds Precision-cut with safety lock and 360 Extremely lightweight Strong aluminum alloy 40 mm plate to support various sized equipment Great for use with monopods and tripods