York Barbell 170 KG Olympic Rubber Bumper Plate Training Set The York Barbell 170 KG Olympic Rubber Bumper Training Plate Set is ideal for teaching Olympic style movements such as snatch & clean and jerk. Manufactured to IWF standard diameter (450 mm) the solid rubber plates have a 2\" steel centre sleeve. Designed for use in commercial strength gyms, CrossFit boxes, and pro sports teams. Recommended for use on York lifting platforms to protect plates and reduce risk of damage to the floor. The York Barbell 170 KG Olympic Coloured Bumper Plate Training Set consists of; Qty Code Description1 32110 York Men\'s 7\' International Needle Bearing Olympic Bar1 36040 York Barbell Olympic Spring Collars (Pair)2 28082 York Barbell 5 KG Black Rubber Bumper Plates2 28083 York Barbell 10 KG Black Rubber Bumper Plates2 28084 York Barbell 15 KG Black Rubber Bumper Plates2 28085 York Barbell 20 KG Black Rubber Bumper Plates2 28086 York Barbell 25 KG Black Rubber Bumper Plates