Manfrotto 502 Video Head MVH502AH Pan fluid drag system. Base Diameter: 75 mm, Working Height: 13 cm. Weight capacity is 15.4 lbs. and counterbalance supports 8.8 lbs. Accessory Compatibility: 502HLV, 509HLV, 520BALL, 520BALLSH Easy Link connectors for easy attachment of accessories. Top Attachment: 1/4 inch screw, 3/8 inch screw Wider and longer top plate for extra stability Built in counterbalance system. Front tilt -80 / +90 Ball-bearing drag for precise, smooth movements.Base Diameter: 2.95 inches Weight: 1691 g Material : Aluminium Safety Payload Weight: 7 kg Counterbalanced Weight: 4 kg Tilt Drag: continuously adjustable from 0 to max level Pan Drag: continuously adjustable from 0 to max level Plate Type: 504PLONG Head Type: Video/Fluid Head Pan Bar Included: Yes Panoramic Rotation: 360