Specification Binding : Electronics Brand : MARSRE Label : MARSRE Manufacturer : MARSRE Model : 10501603 PackageDimensions_Weight : 1.34922904344 PackageDimensions : L:8.599999991228 X W:4.799999995104 X H:4.399999995512 PartNumber : MS-10501603 ProductGroup : Photography ProductTypeName : CAMERA_OTHER_ACCESSORIES Publisher : MARSRE SmallImage_Height : 68 SmallImage_URL : http://ecx.images-amazon.com/images/I/512KFCZ%2BaqL._SL75_.jpg SmallImage_Width : 75 Studio : MARSRE Title : MARSRE Pro Follow Focus with A/B Hard Stops and Flexible Gear Ring Belt For Canon Nikon Sony Panasonic and Other DSLR Video Cameras and DV Camcorders Weight : 1.3 WeightUnit : pounds