Feature A Versatile Rotation Feature, Support 360Adeg Horizontal and 90Adeg Drop-Notch Vertical Rotation for Flexible Positioning. A Dual ARCA Type QR Plate and Picatinny Mount, Compatible with Various Optics. A Stable Tripod Head, 56mm Diameter Ball Head, Max Load 30kg (66lbs), Fit for RSCF-T02 Tripod. A Smooth Adjustment, Tension Control for Precise and Effortless Movement. Specification Material: 6061-T6 Aluminum Alloy Base Mount: 3/8&';&';-16 Threaded Socket Ball Diameter: 56 mm / 2.2 in Base Diameter: 69 mm / 2.7 in Height: 110 mm / 4.3 in Weight: 765 g / 27 oz Max Load: 30 kg / 66 lbs Size