Features | QUANTITY: SOLD IN PAIRS DIAMETER: 450MM / 17.7 INCHES (IWF STANDARD) COLLAR OPENING: 50.40MM / 1.98 INCHES WEIGHT TOLERANCE: +/- 1% OF CLAIMED WEIGHT MATERIAL: QUALITY RECYCLED RUBBER FINISH: SMOOTH/SHINY COLORS: GREEN, BLACK, YELLOW, BLUE, RED WARRANTY: 90-DAY LIMITED WEIGHT: 10LB / GREEN WEIGHT: 15LB / BLACK WEIGHT: 25LB / YELLOW WEIGHT: 35LB / BLUE WEIGHT: 45LB / RED |