The BodyPump set (30 mm) consists of 1 BodyPump barbell and several weights and you will also receive quick spring collarset. The BodyPump bar has a diameter of 30 mm and a length of 130 cm. The quick spring collarset are an easy way to keep weights in place on a bar. In this way you ensure that no weights fall on the floor during training. The spring collarset are easy to attach to the bar and provide a safe feeling.