Weight plate sizes and package Contents: set of 40 lbs. , 50 lbs. , 60 lbs. : holes on weight plates fit standard bar with diameter of 1". Dumbbell handle has 1-inch-diameter. set of 52. 5 lbs. , 105, 200 lbs. : holes on weight plates fit standard bar with diameter of 1. 15". Dumbbell handle has 1. 15-Inch-diameter. combo of 40/50/60lbs dumbbell set with a dumbbell connector: Connector compatible with 1-inch spin-lock dumbbells. 40lbs set with dumbbell connector Combo – 2x handles, 4x collars, 4x 5-lbs Plates, 4x 3-lbs plates and 1x dumbbell connector 50lbs set with dumbbell connector Combo – 2x handles, 4x collars, 4x 3-lbs plates, 4x 7. 5-Lbs Plates and 1x dumbbell connector 60lbs set with dumbbell connector Combo – 2x handles, 4x collars, 4x 5-lbs Plates, 4x 8-lbs plates and 1x dumbbell connector 40 lbs. Set – 2x handles, 4x collars, 4x 5-lbs Plates, 4x 3-lbs plates 50 lbs. Set – 2x handles, 4x collars, 4x 3-lbs plates, 4x 7. 5-Lbs Plates 52. 50 lbs. – 1x handle, 2x collars, 8x 5-lbs Plates, 2x 2. 5-Lbs Plates, 2x 1. 25-Lb plates 60 lbs. Set – 2x handles, 4x collars, 4x 5-lbs Plates, 4x 8-lbs plates 105 lbs. Set with wrist straps: – 2x handle, 4x collars, 16x 5-lbs Plates, 4x 2. 5-Lbs Plates, 4x 1. 25-Lb plates, 2x wrist straps 105 lbs. Set – 2x handle, 4x collars, 16x 5-lbs Plates, 4x 2. 5-Lbs Plates, 4x 1. 25-Lb plates 200 lbs. Set – 2x handles, 4x collars, 4x 2. 5-Lbs Plates, 4x 5-lbs Plates, 16x 10-lbs plates : 60-day return and 5-year on weight plates and parts. note: for 200lbs set: this item includes 3 packages. Box 1 and box 2 contain the same parts. Customers might receive any of the following: 2 x box 1 box 3, or 2 x box 2 box 3, or box 1 box 2 box 3