This simple package includes everything you need to start a strength training regimen. The 300 LBS Olympic Rubber/Steel Set pairs a 500lb tested bar with a 260lb set of plates & a set of spring lock collars. 4 x 2.5LB Olympic Rubber Plates 4 x 5LB Olympic Rubber Plates 2 x 10LB Olympic Rubber Plates 2 x 25LB Olympic Steel Plates 2 x 35LB Olympic Steel Plates 2 x 45LB Olympic Steel Plates