For Canon 5D 6D 7D Ii Iii Iv Nikon D3400 Sony A7 A7R A7S Ii Iii Dslr Camera 1/4" Specification: Main Material: Aluminum Alloy Camera Connecting Thread: 1/4" Tripod Connection Thread: 3/8" Ball Diameter: 45mm Height: 105mm Bubble Level: 2 Maximum Load: 20kg Net Weight: 550g Package including: 1 x SYS-90 Professional Tripod Ballhead 1 x Quick Release Plate High-quality all-metal ball head, the sphere?s diameter is 45mm, CNC super machining, multi oxidation treatment on the surface, with a very smooth hand feel and excellent durability.Comaptible with Arca Swiss. 360 horizontal rotation panoramic head, double locking knob design, flexible operation Removable quick-release plate, comes with 1/4? screw and safety lock, suitable for all SLR cameras; the ball head comes with 3/8? screw mount, can be widely applied to various professional tripods Built in dual bubble level indicators: Aiming and horizon leveling, can be accomplished as one instinctive motion Scale on the pan for panoramic shoots