Unipack Black Paint Adjustable Dumbbells Weight Plate 4x10lbs High Quality Cast Iron Adjustable Dumbbells Weight Plate Only, NO Collars Outer Diameter:8.875", Hole Diameter: 1.125" Fit Handle or Bar with diameter 1.125" 10lbs Each, 4x10lbs total 40lbs Perfect Extra Weight Plate for Your Adjustable Dumbbells Ship Via USPS to address in the U.S. including APO,FPO, PO Box,Puerto Rico