BODY-PUMP BARBELL SETS / AEROBIC BAR SETSSPECIFICATIONS & FEATURES:COATED WITH NATURAL RUBBER, NICE SURFACE, AND LONG DURABILITY PERFORMANCE;COLOR-CODED FOR EASY IDENTIFICATION FROM A DISTANCE;STABLE OCTAGON DESIGN, SAFE AND NON-ROLLING;SOFT-COATED BAR, EASY AND COMFORTABLE TO GRIP, PROTECT YOUR HANDS WELL.WEIGHT TOLERANCE:+/-2%. WEIGHTS AVAILABLE: 1.25 / 2.5 / 5 /10 KG PLATES; 10KG SETS: 1.25KGX2+2.5KGX2+2 SPRING COLLARS+1 BAR; 15KG SETS: 1.25KGX2+5KGX2+2 SPRING COLLARS+1 BAR; 20KG SETS: 1.25KGX2+2.5KGX2+5KGX2+2 SPRING COLLARS+1 BAR; 30KG SETS: 1.25KGX2+2.5KGX2+5KGX4+2 SPRING COLLARS+1 BAR; 40KG SETS: 1.25KGX2+2.5KGX2+5KGX6+2 SPRING COLLARS+1 BAR, OR 1.25KGX2+2.5KGX2+5KGX2+10KGX2+2 SPRING COLLARS+1 BAR.