ProMaster Professional Ball Head - BS-08 (3508) Working Height: 3 3/8" / 8.6mm Lateral Tilt: -90 / +30 tilt range Maximum Load: 13 lb / 6 kg Ball Diameter: 30mm Plate Type: Quick release with   20 screw Weight: 10  oz / .3 kg Material:Aluminum Color:Black Plate Type:Quick Release with   20 screw Base Attachment:3/8 female Lateral Tilt:90 /+30 Ball Diameter:30 mm Width:4&#034; Height:4&#034; Depth:4.8&#034; Weight:1 lbs