Our 15kg Standard Chrome Single Dumbbell comes complete with everything you need to get started. It comes complete with two dumbbell bars and two locking collars. Also included is a FREE heavy-duty plastic carry case for easy portability and storage plus a barbell converting bar that connects the two dumbbell bars together. IMPORTANT NOTE; To keep the carry case as small as possible there is no space for the barbell conversion bar, it is too long. A pair of dumbbells are ideal to target and tone specific muscles. Made of chrome solid steel for sturdy, long-lasting quality Features knurled hand grip for solid grip control Locking collar design for easy and convenient weight changes Handles accommodate 1\" standard weight plates (sold separately) Great for building and strengthening muscles in arms, upper body and triceps For residential use only IronMan 15kg Standard Chrome Single Dumbell includes the following plates: 1kg 2kg 4 4 Each dumbbell with half of the weights adds up to 7.5kg f