PREMIUM OMNIE ADJUSTABLE DUMBBELLS Omnie Dumbbells features high performing rust resistant durable cast iron with chrome handles as well as spin-lock collars for a strong, secure fit. This Adjustable Dumbbells are easy to set up with no tools required and do not need much storage space, and allowing you to vary your daily workout routines with interchangeable weights. and can be used at home or in a gym. The Plates made from durable, high quality cast iron with a baked enamel finish and easy to maintain. You can start from beginning to the next level easily by simply changing the plates to train a single muscle group at a time or different muscle groups simultaneously to develop your strength & muscle gains in arms, shoulders and back. WEIGHT PLATE SIZES AND PACKAGE CONTENTS: Set of 45 LBS, 65 LBS, 105 LBS, 200 LBS: Holes on weight plates fit standard bar with diameter of 1.15". Dumbbell handle has 1.15" diameter. 45 LBS SET - TWO Handles, FOUR Collars, FOUR 5-lbs Plates, FOUR 2.5-lb Plates FOUR 1.25-lb Plates 65 LBS SET - TWO Handles, FOUR Collars, EIGHT 5-lbs Plates, FOUR 2.5-lbs Plates, FOUR 1.25-lbs Plates, ONE Chrome-Finished Section of Barbell Rod 105 LBS SET – TWO Handle, FOUR Collars, SIXTEEN 5-lbs Plates, FOUR 2.5-lbs Plates, FOUR 1.25-lb Plates,DOES NOT include Chrome-Finished Section of Barbell Rod 200 LBS SET - TWO Handles, FOUR Collars, FOUR 2.5-lbs Plates, FOUR 5-lbs Plates, SIXTEEN 10-lbs Plates, DOES NOT include Chrome-Finished Section of Barbell Rod WARRANTY: 60-Day Return and 5-Year Warranty on weight plates and parts. Note: For 105 lbs Set- This item includes 2 packages. For 200 lbs Set- This item includes 3 packages.