The Manfrotto 504HD is a high performance professional quality variable friction fluid video head with a 4-step counterbalance system ensuring a quick set-up and optimal performance for varying loads up to 7.5kg. A ball-bearing drag system ensures precise, smooth movements, and its wide top area and long sliding plate give extra stability and balance positioning for large video cameras. The pan bar attaches to either the left or right side, and the attachment point rosette wheel can be replaced easily and cheaply if it suffers wear or damage. There a two 3/8" screw Easy-Link attachment points near the plate to allow lights or mic arms to be attached. A back-lit bubble level is incorporated. Made from lightweight modern materials, the 504HD has a 75mm bowl attachment.