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Use Vanguard's 75mm Alta Pro 3VRL LVL 30 Levelling Base to expand the versatility of your Alta Pro 3VRL tripod. With a 3/8-inch thread and 25kg capacity, it rotates 360 degrees and moves 15 degrees vertically, allowing you to achieve smooth pans and precise framing. The replacement leveling base has a textured rubber handle with a removable hook that will assist you in lining up the perfect shot.