RIP X 30kg Adjustable Dumbbell Bars with Bar Joiner Connect the Two Dumbbell Bars Together Using the Bar Joiner With the Ability To Connect the Bars, This Allows For a More Inclusive Workout and Higher Adaptability To Suit Any Workout Designed to Provide a Constant Secure Grip. Set Includes: 2x 50cm dumbbell bars, 1x bar joiner (joins dumbbells into one long bar), 4x 1kg, 4x 1.5kg, 4x 2kg, 4x 2.5kg weight plates, 4x spinlock collars. Bar Diameter: 25mm.