Our 72 standard threaded bars are engineered for easy loading and unloading of standard plates the bars have threaded ends and two sure tighten star lock collars are included the bars are made of cold rolled steel copperised and chrome finishedr each weight plate has 2 handy grab handles so you can perform kettle bell style exercises with them enabling you to add more variety to your workouts r set includes 2x 10kg 4x 5kg 4x 2kg 2x 1kg weight plates and 1x 72 barbell