Specification Binding : Misc. Brand : HamiltonBuhl IsAdultProduct : false Label : Hamilton Company Manufacturer : Hamilton Company Model : 1288-06 NumberOfItems : 1 PackageDimensions_Weight : 0.661386786 PackageDimensions : L:3.937007870 X W:3.937007870 X H:3.937007870 PartNumber : 1288-06 ProductGroup : BISS Basic ProductTypeName : LAB_SUPPLY Publisher : Hamilton Company SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/31F1blkjHJL._SL75_.jpg SmallImage_Width : 75 Studio : Hamilton Company Title : Hamilton 1288-06 Eject Spring, For Use with 500 microliter and 1,000 microliter SoftGrip Single Channel Pipettes Weight : 0.7 WeightUnit : pounds