Benro N Series Ball Heads have been designed to facilitate both smooth movement and stable camera positioning. Compact and lightweight they feature Arca Swiss style Quick Release with an additional safety device to minimise the risk of “unseating” your camera. The head incorporates full ball and pan movements with an additional drag control. These heads are fully compatible with compact and SLR cameras. There is a choice of 4 sizes to suit your camera weight, size and tripod. These heads may be used with Benro Tipods and are compatible with most leading makes of other tripods. Specifications: Ball D: 30mm Max H: 81mm Base D: 46mm Wtkg: 0.26 Screw: ¼” Max Load: 6kg ...Contact us if you need more help.