Specification: 1.25/2.5/5/7.5/10/15/20KG                                       

Small hole 28-30mm, large hole 51-52mm

The diameter and thickness of 2.5, 5, 7.5, 10kg are 17.5cm, 21.5cm, 26cm, 30.5cm and 2.4cm, 3cm, 3.7cm, 4.4cm respectively, this is the 26-27 holes