VEGA Fitness ECO Rubber Crumb Olympic Bumper Plates - 100kg Set Bumper plates have become the staple item in any commercial gym or garage gym. No facility is complete without them. These plates have minimal bounce and will reduce sound impact and vibration. Set make up: 2 x 20kg, 2x 15kg, 2 x10kg, 2x 5kg Specification: 45cm Diameter - IWF Standard 50.6mm Diameter centre hole with steel ring - Suitable for Olympic Bars only Plate Thickness: 5kg: 3cm 10kg: 6cm 15kg: 9cm 20kg: 12cm Suitable for use on Olympic Bar only Manufactured in the EU