IMPORTANT - Dumbbell Bumpers are NOT meant to be dropped from overhead IMPORTANT - 10 pounds plates are NOT designed to be used ALONE. To make all plates in same diameter, 10 pounds plates are thin, so they will bend if you use them alone. This will damage your 10 pounds plates Overview: HulkFit Dumbbell bumper plates are designed with 2" diameter, but much more compact than regular Olympic bumper plates. High Density rubber plates with solid stainless steel insert can withstand repeated uses. They will not only protect any type of floors, but also protect your bars. Color coded based for easy identification. Plate Dimensions: Inner ring diameter: 2-inch. Total diameter: 9-inch. Thickness: 1. 25", 4. 7", 5. 9" and 5. 9" for 10lbs, 25lbs and 35lbs Handle Dimensions: Bar length: 25-inch Sleeve length: -inch Weight: 13-pounds Both plate and Handle Sold as single (NOT a pair) - 10 Pounds, 25 Pounds, 35 Pounds, 45 Pounds. AT A GLANCE (Plate): - 2" inner ring diameter - Total diameter: 9" - High density rubber plates - Solid stainless steel insert - Sold as single AT A GLANCE (Handle): - Solid steel - 25-inch long - 2" bar end diameter - Knurling postion - Rotating sleeves - Sold as single.