Specification Brand : GSC International Color : Black Label : GSC International Manufacturer : GSC International NumberOfItems : 1 PackageDimensions_Weight : 7.19 PackageDimensions : L:14.00 X W:6.00 X H:2.00 PartNumber : INRTBL ProductGroup : BISS Basic ProductTypeName : SAFETY_SUPPLY Publisher : GSC International Size : 1/2" height x 3/8" top x 9/32" bottom SmallImage_Height : 35 SmallImage_URL : https://m.media-amazon.com/images/I/31LWrT0wqUL._SL75_.jpg SmallImage_Width : 75 Studio : GSC International Title : GSC International #INRTBL Inertial Balance Demonstration for Physics Education. Weight : 7.2 WeightUnit : pounds